Background and Caveats
The ASDSO Dam Incident Database provides basic information on dam safety incidents to ASDSO members, dam safety stakeholders, the media and the public. The database began as a cooperative effort between the Department of Homeland Security Dams Sector and ASDSO in 2010. The initial database contained a limited number of dam failure records from a previous ASDSO dam failure database effort. In 2010, ASDSO began to gather dam safety incident information (both failure and non-failure) from the state dam safety programs. The majority of the incident records have been collected from state programs following the year in which they occurred. Some states have been able to provide historic incident information and ASDSO will continue to obtain as much information, both current and historic, as possible. The database is not considered comprehensive of all dam safety incidents, both historic and current, and reflects only the data that ASDSO has been able to collect. Much of the identifying information on specific dams is obtained from the National Inventory of Dams.
ASDSO does not provide assurance that all the information in the database is completely accurate. It is the best information available to us at the time, however it could be subject to error or misinterpretation. If you see an error or have additional information to provide for a specific incident, please contact Mark Ogden at [email protected]. If you would like to provide additional incident information to the database, please contact Mark. ASDSO has a spreadsheet (download at this link) that provides an explanation of each field and can be used as an entry form to submit incident information.
Using the Database
The following search table allows the user to view, search and select records of the ASDSO Dam Incident Database. The columns represent a few of the fields of the database that contain what can be considered the major incident fields. They can be sorted in ascending or descending order by clicking on the arrows next to the field name at the top. To see more information on an incident without leaving the search table click on the blue “+ sign” at the left of an incident row. You can then click on the red “- sign” to collapse the additional fields. To go to an individual incident page, click on the dam name. Users can filter search results by each field using the search criteria boxes at the top of the page. Multiple filters can be applied. Some fields have fixed possible entries and those are presented in the search box as a drop-down selection. Users can also download a CSV (Microsoft Excel) version of their search by clicking on the “Export Table to CSV” link. To download the entire database, click on “Reset All Filters” and then “Export Table to CSV.”
Notes
- If a field is empty, that indicates that there is no value for that field in that particular record.
- A few incident records have reports and photos, etc. associated with them. In the individual record page there is a field named "Attachments" and if it has a value of "Y" then there is some associated attachment. Contact Mark Ogden if you are interested in more information on that record.
- Texas does not provide hazard classification information about specific dams to the NID, so records for Texas incidents list the hazard classification as either Not Available if the information comes from the NID or blank if the downstream hazard classification does not have a value.
- ASDSO does not become aware of many incidents until states report them in an annual performance data call. As a result, incidents from the current year and even some from the previous year will not yet be in the database. Incident information is not necessarily entered in chronological order. Data is entered as it is received and as time permits; some more recent incidents may be included before older incidents.
- The database was last updated on August 19, 2020.
Dam Name | State | Downstream Hazard Potential | Incident Type | Incident Date | Incident Driver | Incident Mechanism 1 | Incident Mechanism 2 | Incident Mechanism 3 | Incident ID | Incident Description | Named Hydrologic Event | EAP Enacted (Y/N) due to Incident | Fatalities (Number) | Number of People Evacuated | Number of Habitable Structures Evacuated | Number of Habitable Structures Flooded | Other Infrastructure Impacts | Economic Damages (in $) | Response | Volume released at failure (ac-ft) | Additional Remarks or Updates | Owner Type | Dam Type | Primary Purpose(s) | EAP | Dam Height | Max Storage (ac-ft) | Surface Area (acres) | Year Completed | NID Number | River Name | Latitude | Longitude | Year Modified | Regulatory Agency(ies) | Incident Time | Incident Duration | Incident Report Produced | Information Sources |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HIDDEN VALLEY LAKE DAM | IN | H | Non-failure | 01/22/2018 | Structural Stability | Sliding | IN00100-3073 | Downstream slide occurred approx. 52 x 29 x 1 foot deep | Yes | 0 | 0 | 0 | 0 | none | Level 3 Emergency declared and emergency officals briefed. Minutes of inspection produced and they are attached. Previous slides occurred in 2011 and 2012 | P | RE | R | Y | 135 ft | 7750 ac-ft | 139 acres | 1973 | IN00100 | DOUBLELICK RUN | 39.1525 | -84.8472 | 0 | IDNR | Yes | IN DNR | ||||||||
PATTISON STATE PARK | WI | S | Failure | 06/17/2018 | Hydrologic/flooding | Debris Clogging | Erosion | Overtopping | WI00127-3334 | Left embankment overtopped & failed, significant debris & tree buildup in spillway due to high flows | 0 | L | PGRE | R | Y | 20 ft | 340 ac-ft | 27 acres | 1931 | WI00127 | BLACK | 46.5356 | -92.1208 | 0 | WIDNR | Unknown | WI DNR | ||||||||||||
COON CREEK 29 | WI | L | Failure | 08/29/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00368-3335 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | 0 | 0 | 0 | Bridges, Roads | Bridges, roads &culverts, farmstead outbuildings, sheds, private drives, cattle, fencing, equipment, RVs Abandoned house (rarely used when visiting property) knocked off foundation d/s of one of Coon Creek Dams. Report: http://www.co.monroe.wi.us/departments/land-conservation/ | L | RE | CD | Y | 34 ft | 207 ac-ft | 5 acres | 1961 | WI00368 | COON CREEK | 43.7674 | -90.8976 | 0 | WIDNR | 1 day | Yes | WI DNR | ||||||
COON CREEK 23 | WI | L | Failure | 08/29/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00371-3336 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | 0 | 0 | 0 | Bridges, Roads | Bridges, roads &culverts, farmstead outbuildings, sheds, private drives, cattle, fencing, equipment, RVs Abandoned house (rarely used when visiting property) knocked off foundation d/s of one of Coon Creek Dams. Report: http://www.co.monroe.wi.us/departments/land-conservation/ Activated EAP next morning after overnight failure | L | RE | CD | N | 39 ft | 95 ac-ft | 0 acres | 1961 | WI00371 | TR.RULLANDS COULEE CR | 43.743 | -90.8418 | 0 | WIDNR | 1 day | Yes | WI DNR | ||||||
COON CREEK 21 | WI | L | Failure | 08/29/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00373-3337 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | 0 | 0 | 0 | Bridges, Roads | Bridges, roads &culverts, farmstead outbuildings, sheds, private drives, cattle, fencing, equipment, RVs Abandoned house (rarely used when visiting property) knocked off foundation d/s of one of Coon Creek Dams. Report: http://www.co.monroe.wi.us/departments/land-conservation/ Activated EAP next morning after overnight failure | L | RE | CD | N | 46 ft | 271 ac-ft | 2 acres | 1963 | WI00373 | TR RULLAND COULEE CREEK | 43.7314 | -90.8419 | 0 | WIDNR | 1 day | Yes | WI DNR | ||||||
BELLEVILLE | WI | L | Non-failure | 08/20/2018 | Hydrologic/flooding | Erosion | Excessive/increased Seepage | WI00116-3338 | Boils on downstream side of auxiliary spillway due to scour | Yes | Unknown | 8 | Unknown | Bridges | Evacuated as a precaution, also due to general flooding. Water in some basements. | L | PGRE | R | Y | 15 ft | 260 ac-ft | 112 acres | 1860 | WI00116 | SUGAR | 42.8605 | -89.5358 | 1918 | WIDNR | Unknown | WI DNR | ||||||||
SCHOOL SECTION LAKE | WI | L | Failure | 05/10/2018 | Seepage/internal Erosion | Animal Activity | Piping | WI01142-3339 | Embankment failure | No | 0 | 0 | 0 | 0 | None | L | PGRE | OR | N | 8 ft | 700 ac-ft | 117 acres | 1937 | WI01142 | SCHOOL SECTION LAKE OUTLET | 42.9828 | -88.5088 | 1938 | WIDNR | Unknown | WI DNR | ||||||||
CRANBERRY CREEK | WI | L | Failure | 04/25/2018 | Hydrologic/flooding | Overtopping | WI00450-3340 | Dam breached overnight at principal spillway structure | No | 0 | 0 | 0 | 0 | Roads | Minor damage at downstream road crossing EAP not activitated because rural area and unknown failure overnight | L | RE | R | Y | 15 ft | 300 ac-ft | 55 acres | 1973 | WI00450 | CRANBERRY CREEK | 45.5961 | -90.4247 | 0 | WIDNR | No | WI DNR | ||||||||
HESS CREEK DAM | AK | H | Non-failure | 04/27/2020 | Deterioration Or Poor Condition | High Reservoir Level | Debris Clogging | AK00017-3341 | Satellite imagery on 4/25/2020 appears to show the dam is impounding significant amount of water. There is no serviceable spillway. The low level outlet does not appear to be functioning. Wildfires last year burned area and likely increase runoff and erosion, potentially clogging low level outlet causing impoundment. | No | 0 | 0 | 0 | 0 | None | None | Inspection and monitoring as the reservoir level receeded. | P | RE | S | N | 56 ft | 10200 ac-ft | 0 acres | 1946 | AK00017 | SOUTH FORK HESS CREEK | 65.5933 | -148.392 | 0 | AKDNR | 1 month | Yes | Alaska Dam Safety | |||||
LAKE EVANS DAM | GA | U | Non-failure | 02/22/2019 | Deterioration Or Poor Condition | Erosion | GA07150-3342 | Program took calls stemming from our 2018 visit to the seriously-eroded dam. | No | Unknown | Unknown | Unknown | Unknown | Unknown | Local official asked Program for advice. | Program is in process of reclassifying the dam. | P | RE | R | NR | 25 ft | 25 ac-ft | 2 acres | 0 | GA07150 | UNNAMED | 33.5656 | -84.4239 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | |||||||
LAKE BENNETT DAM | AR | L | Non-failure | 04/30/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | AR00038-3100 | Over 8 inches fell in less than 4 hours. The spillways could not handle the flow and the dam was overtopped. The rock masonry core was left intact, however the earth downstream embankment was eroded. | No | Unknown | Unknown | Unknown | Roads | Unknown | The earth spillway was washed out and deposited downstream across a road and onto private property. | S | ERRE | CFR | NR | 41 ft | 486 ac-ft | 33 acres | 1940 | AR00038 | BLACK FORK CREEK | 35.2817 | -92.285 | 0 | ANRC | 4 hours | Unknown | |||||||
LAKE ELMDALE DAM | AR | H | Non-failure | 04/28/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | AR00290-3101 | Heavy prolong rain surpassed the spillway capacity | No | Unknown | Unknown | Unknown | Roads | Unknown | The earth spillway was washed out and deposited downstream across a road and onto private property. | S | RE | R | N | 46 ft | 2050 ac-ft | 125 acres | 1952 | AR00290 | BUSH CREEK | 36.1983 | -94.2183 | 0 | ANRC | 2 days | Yes | ||||||||
POTHOLE RESERVOIR | ID | L | Failure | 02/07/2017 | Hydrologic/flooding | Overtopping | Erosion | ID00358-3102 | Likely cause was overtopping due to rapid melting of as much as 16-18 inches of snow on or about the reported failure date. | No | 0 | Unknown | Unknown | Unknown | Other | Unknown | D/S resident reported damage to agricultural land and outbuildings. | S | PG | P | NR | 28 ft | 600 ac-ft | 600 acres | 1941 | ID00358 | POT HOLE CREEK | 42.7083 | -115.477 | 0 | Yes | IDWR | |||||||
NIELSEN DAM | ID | L | Failure | 08/04/2017 | Hydrologic/flooding | Overtopping | Erosion | ID06055-3103 | 0 | Unknown | Unknown | Unknown | Roads | Unknown | RE | 0 ft | 0 ac-ft | 0 acres | 0 | ID06055 | 0 | 0 | 0 | Yes | IDWR | ||||||||||||||
SILVER LAKE DAM - MIDDLETOWN | DE | H | Non-failure | 07/06/2017 | Deterioration Or Poor Condition | Gate/valve Failure | Insufficient Spillway Capacity | DE00051-3104 | A pop-up storm caused the road to nearly overtop and gates in the left spillway were opened. The gates could not be closed due to deflection and breakage and the pond continued to lower. | No | Roads | $500,000 to $1 million | An emergency cofferdam was placed in front of gates to prevent pond from emptying. EAP procedures were followed but it was not "officially" activated. Design has been initiated to replace the gates. The economic damages only includes emergency construction of temporary sheeting and proposed design costs. We will not have an estimate for constrution costs until the design is complete. | S | PGRE | R | Y | 18 ft | 591 ac-ft | 39 acres | 1945 | DE00051 | DEEP CREEK | 39.438 | -75.6934 | 0 | DNREC | Yes | DelDOT and DNREC Dam Safety Program | ||||||||||
BRAWNER LAKE | MN | L | Failure | 02/24/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | MN00120-3105 | In 2015, a small seperation between the riser and outlet conduit occurred, resulting in a slowly falling lake level. In 2017, the corroded conduit seperated from the riser draining the lake. | No | 0 | 0 | 0 | 0 | None | Unknown | DNR owned Dam. Operators notified DNR Dam Safety quickly. | 400 ac-ft | S | PGRE | O | NR | 32 ft | 450 ac-ft | 30 acres | 1952 | MN00120 | REDWOOD RIVER | 44.3358 | -95.9214 | 1997 | MNDNR EWR | 2 years to complete failure | No | MNDNR | |||||
LINN GROVE MILLDAM | IA | L | Failure | 04/22/2019 | Hydrologic/flooding | Overtopping | IA01308-3244 | Low Head Dam. Flood event cause overtopping and breaching in two locations of the abutment area. | 0 | 0 | 0 | 0 | None | None | L | PG | R | NR | 9 ft | 416 ac-ft | 90 acres | 1924 | IA01308 | LITTLE SIOUX RIVER | 42.8956 | -95.2448 | 0 | IOWA DNR | IA DNR | ||||||||||
BEDFORD WATER SUPPLY DAM | IA | S | Non-failure | 10/11/2018 | Deterioration Or Poor Condition | Piping | Erosion | Spillway Pipe Failure | IA01052-3245 | Piping and loss of significant downstream embankment slope due to deteriorated corrugated metal pipe. | No | 0 | 0 | 0 | 0 | None | None | L | RE | S | NR | 44 ft | 598 ac-ft | 30 acres | 1969 | IA01052 | TR-EAST FORK 102 RIVER | 40.6822 | -94.7127 | 0 | IOWA DNR | IA DNR | |||||||
ENGLISH BENCH WATERSHED SITE 9 | IA | L | Non-failure | 11/20/2018 | Seepage/internal Erosion | Piping | Sliding | IA00086-3246 | Slide failure and piping at toe | No | 0 | 0 | 0 | 0 | None | None | L | RE | PC | NR | 38 ft | 32 ac-ft | 2 acres | 1970 | IA00086 | TR-UPPER IOWA RIVER | 43.4418 | -91.4662 | 0 | IOWA DNR | IA DNR | ||||||||
CHARLESTON RESERVOIR | NV | L | Failure | 04/01/2019 | Manmade Action | Overtopping | Insufficient Spillway Capacity | Other | NV00038-3247 | There were modifications that were completed on the spillway and outlet, which reduced the capacity of this facility. The dam failed during spring runoff due to this reduced capaicty. | No | 0 | 0 | 0 | 0 | Roads | Unknown | 500 ac-ft | Damage was limited to ranch that uses the water during irrigation season and the county road downstream of the dam. | P | RE | IP | NR | 16 ft | 500 ac-ft | 50 acres | 1920 | NV00038 | BRUNEAU RIVER | 41.5823 | -115.497 | 1963 | NEVADA DWR | Yes | NV DWR | ||||
WASHOE LAKE DAM | NV | H | Non-failure | 06/16/2018 | Seepage/internal Erosion | Piping | NV10472-3248 | An earth pipe formed under the masonary structure which released up to 80 cfs during the incident. The pipe was plugged with underwater grout and an upstream filter. | Yes | 0 | 0 | 0 | 0 | Roads | Unknown | Other Infrastructure Impacts - Road, downstream dam | P | MSPG | IR | Y | 12 ft | 400 ac-ft | 45 acres | 0 | NV10472 | STEAMBOAT CREEK | 39.33 | -119.801 | 0 | NEVADA DWR | 8:00 AM | 5 Days | No | NV DWR | |||||
EIGHTMILE LAKE OUTLET DAM | WA | H | Non-failure | 01/01/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Insufficient Spillway Capacity | Reservoir Overfilling | WA00228-3248 | No failure but EAP implemented for deteriorating 90 year old dam as precaution for high spring runoff. Wildfire burned much of watershed the previous fall and low-level outlet was not working. Located in wilderness area with no winter access or remote monitoring. | Yes | 0 | 0 | 0 | 0 | None | None | Public alert and meetings. Local and State EM staff engaged. Twice weekly recons by small aircraft/helicopters. Installed remote monitoring, re-shaped and armoroed crest, reapired low level outlet. | temporary measures in place. Dam owner applying for rehabilitation of the dam. Located on USFS property. | U | ERRE | IR | Y | 22 ft | 1610 ac-ft | 65 acres | 1933 | WA00228 | EIGHTMILE CREEK | 47.5205 | -120.858 | 0 | WASHINGTON, DEPT OF ECOLOGY | 10 Months | No | WA DOE | |||
HIDDEN TIMBER | SD | L | Failure | 03/23/2019 | Hydrologic/flooding | Unknown | SD00040-3249 | No | 0 | Unknown | post failure site visit by owner staff | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain, the primary incident mechanism was likely overtopping | S | RE | PR | NR | 18 ft | 824 ac-ft | 32 acres | 1933 | SD00040 | ANTELOPE CREEK | 43.2317 | -100.415 | 1959 | DENR | No | SD DENR | |||||||||||
QUINN DAM | SD | L | Failure | 03/26/2019 | Unknown | Unknown | SD01073-3250 | No | 0 | Unknown | County officials close the downstream highway for a few hours while the situation was assessed, highway was reopened once it was verified the downstream drainage and culverts could handle expected outflow | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain | L | RE | R | NR | 17 ft | 865 ac-ft | 87 acres | 1937 | SD01073 | TR-BAD RIVER | 43.9967 | -102.132 | 0 | DENR | No | SD DENR | |||||||||||
OKOBOJO DAM | SD | S | Failure | 04/01/2019 | Unknown | Unknown | SD00438-3251 | No | 0 | Unknown | report of dam failure was verified | significant hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain | P | RE | PRS | NR | 22 ft | 3150 ac-ft | 128 acres | 1938 | SD00438 | TR OKOBOJO CREEK | 44.6433 | -100.427 | 0 | DENR | No | SD DENR | |||||||||||
ROSE HILL DAM | SD | L | Failure | 07/30/2010 | Hydrologic/flooding | Overtopping | SD00759-3252 | No | 0 | Unknown | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain | S | RE | R | NR | 38 ft | 950 ac-ft | 32 acres | 1935 | SD00759 | TR-SAND CREEK | 0 | 0 | 0 | SD DENR | No | SD DENR | ||||||||||||
LAKE HIDDENWOOD DAM | SD | L | Failure | 05/18/2018 | Hydrologic/flooding | Overtopping | SD00750-3253 | No | 0 | Bridges, Roads | Unknown | post failure site visit by staff from SD Dam Safety and owner staff, owner closed recreation area associated with the dam | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain, bridge across the dam's spillway and gravel road across the crest were washed out, also some flash flooding of downstream cropland | S | RE | R | NR | 27 ft | 474 ac-ft | 27 acres | 1926 | SD00750 | TR MISSOURI | 0 | 0 | 0 | SD DENR | No | SD DENR | ||||||||||
LAKE VAN NORDEN | CA | H | Non-failure | 04/30/2019 | Deterioration Or Poor Condition | Spillway Chute Failure | CA00362-3254 | Large hole at the downstream right end of the spillway invert during high spring spill flows. | Yes | 0 | 0 | 0 | 0 | None | None | Immediate response by dam owner, Division of Safety of Dams, and first responders. | P | RE | HS | N | 30 ft | 300 ac-ft | 135 acres | 1916 | CA00362 | SOUTH YUBA RIVER | 39.322 | -120.377 | 0 | DWR, SAFETY OF DAMS | 1 week | Yes | CA DSOD | ||||||
LOWER BLUE LAKE | CA | L | Non-failure | 06/26/2018 | Seepage/internal Erosion | Excessive/increased Seepage | CA00380-3255 | Damp spots on the downstream face along the length of the left embankment, localized small active seep from damp area, and seepage boil located ~10 feet downstream of the toe on left side of the dam. | No | 0 | 0 | 0 | 0 | None | None | Immediate response by dam owner and Division of Safety of Dams. Spillway stoplogs have been removed and the reservoir restricted. | P | RE | H | NR | 40 ft | 5091 ac-ft | 198 acres | 1885 | CA00380 | BLUE CREEK | 38.6088 | -119.927 | 0 | DWR, SAFETY OF DAMS | Yes | CA DSOD | |||||||
MISSELBECK | CA | H | Non-failure | 06/03/2019 | Other | Other | CA01027-3256 | Sediment build up in the reservoir has likely caused the entrance of the outlet works to become plugged. A combined release of ~1 cfs from both pipes while all four valves were fully open was observed during inspections. | Yes | 0 | 0 | 0 | 0 | None | None | Immediate response by dam owner and Division of Safety of Dams | U | RE | CS | Y | 96 ft | 3600 ac-ft | 113 acres | 1920 | CA01027 | NFK COTTONWOOD CR | 40.5003 | -122.697 | 0 | DWR, SAFETY OF DAMS | Yes | CA DSOD | |||||||
MOCCASIN LOWER | CA | H | Non-failure | 03/22/2018 | Other | Insufficient Spillway Capacity | Reservoir Overfilling | Spillway Erosion/head Cutting | CA00122-3257 | Blockage of Moccasin Creek Bypass Tunnel caused sudden rise of the reservoir above core wall to nearly the dam crest because of insufficient spillway capacity. More in Remarks. | Yes | 0 | 20 | 1 | 1 | Water/sewer lines | $25 million to $50 million | Immediate response by dam owner, Division of Safety of Dams, and first responders. | Fish Hachery immediately downstream was evacuated - likely less than 20 people | L | RE | HOS | Y | 60 ft | 554 ac-ft | 29 acres | 1930 | CA00122 | MOCCASIN CREEK | 37.8123 | -120.306 | 0 | DWR, SAFETY OF DAMS | 2 days | Yes | CA DSOD | |||
AUBERRY LUMBER MILL | CA | H | Non-failure | 04/02/2018 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | CA10403-3258 | The dam overtopped due to spillway pipes being clogged with overgrown vegetation. Overtopping eroded the downstream slope, which could have potentially led to failure. There is no low-level outlet at this dam. | No | 0 | 0 | 0 | 0 | None | None | Response hindered as this was an illegal dam previously unknown to the Division of Safety of Dams until days after the event. | P | RE | S | N | 17 ft | 94 ac-ft | 8 acres | 0 | CA10403 | LITTLE SANDY CREEK | 37.0676 | -119.49 | 0 | CA DWR | 1 day | Yes | CA DSOD | |||||
INDIAN RUN | PA | H | Non-failure | 08/23/2018 | Seepage/internal Erosion | Slope Stability | PA00713-3259 | Slope failure occurred on the downstream face near the center of the dam. Area of failure was roughly 25 feet wide by 25 feet long and about 6 feet in depth. | No | 0 | 0 | 0 | 0 | None | None | Owners lowered the reservior and maintained it at a lower level until the slope was remediated. | L | RE | S | Y | 40 ft | 92 ac-ft | 5 acres | 1890 | PA00713 | INDIAN RUN | 40.2406 | -75.8181 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | No | PA DEP | |||||||
LAKE QUINN | PA | H | Failure | 01/24/2018 | Hydrologic/flooding | Reservoir Overfilling | Other | PA00145-3260 | offerdam was overtopped and failure during construction. At the time of the cofferdam failure, the main dam has a significant breach cut through it for construction purposes. Main dam embankment was overtopped as a result of the cofferdam failure and a significant discharge occurred. This discharge into the downstream inundation area was ultimately reduced by a downstream roadway crossing. | No | 0 | 0 | 0 | Unknown | Unknown | $1 to $100,000 | Owners reconstructed the cofferdam with a bypass spillway to prevent reoccurance. | 400 ac-ft | P | MSREST | R | Y | 12 ft | 1244 ac-ft | 118 acres | 1946 | PA00145 | TR MIDDLE CREEK | 41.5081 | -75.4261 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | No | PA DEP | |||||
HANSKA LAKE | MN | Non-failure | 03/21/2019 | Hydrologic/flooding | Erosion | Overtopping | MN00070-3261 | Flooding due to spring runoff. Spilling around the west side of the dam causing scour erosion. | No | 0 | 0 | 0 | 0 | None | None | Riprap placed on west side of the structure to stop erosion. | Working on redesign. Structure overtops frequently. Rebuild will be jurisdictional, existing dam is not. | S | REPG | NR | 5 ft | 13777 ac-ft | 1740 acres | 1930 | MN00070 | WATONWAN RIVER - TR | 44.11 | -94.5663 | 1986 | MNDNR | 1 day | Yes | MNDNR | ||||||
AJAX-HECTOR MINE POND | MN | Failure | 04/24/2018 | Hydrologic/flooding | Animal Activity | Debris Clogging | Overtopping | MN00000-3262 | Tributary stream meandered into abandoned mine pit during spring snowmelt causing partially filled mine pit to completely fill and overtop natural earth embankment. Embankment failed, draining pit into the Embarass River and causing damage to utilities and water quality issues on Embarass Lake. | No | 0 | 0 | 0 | 0 | Other | $100,000 to $500,000 | Property was abandoned by mining company decades ago and is now owned by state (IRRRB). Rebuild of trail over $1,000,000. | 100 ac-ft | The "dam" is a 250 foot section of natural ground between an excavation related to the mine pit and an excavation related to the diversion channel of the Embarrass River. Damage to Utility (power, telephone, water supply and sewer) lines severed. Tailings and raw sewage from severed sewer line entered lake downstream of embankment failure. Paved trail washed out. | S | OT | O | NR | 55 ft | 150 ac-ft | 9 acres | 1945 | MN00000 | OS TRIBUTARY TO THE EMBARRASS RIVER DIVERSION | 47.541 | -92.3108 | 0 | MNDNR | 1 day | Unknown | MNDNR | |||
EMPIRE (OUTLET EMBANKMENT) | CO | H | Non-failure | 06/11/2018 | Seepage/internal Erosion | Sinkhole | Piping | CO00009-3263 | A toe drain installed in 1974 and it appears the 8 inch clay pipe damaged and has allowed sediment to be carried away over the years forming the sink hole. | Yes | 0 | 0 | 0 | None | None | The sink hole did not appear to be changing so temporary patch was performed. With a permanent repair done in the fall. temporarily placed gravel in hole. Then camera old drain. Then abandoned and repair new drain | P | RE | FIR | Y | 37 ft | 50900 ac-ft | 2842 acres | 1905 | CO00009 | SOUTH PLATTE RIVER-OS | 40.2732 | -104.189 | 0 | DWR | 6:00 PM | Yes | CO DNR | ||||||
SWIFT RUN LAKE DAM | OH | H | Non-failure | 01/12/2018 | Seepage/internal Erosion | Piping | Vegetation | OH00515-3264 | Concentrated seepage on downstream slope | Yes | 0 | 0 | 0 | 0 | The Ohio Dam Safety Program (ODSP) was contacted by the dam owner. They started monitoring the seepage and opened the lake drain. | Seepage was in the same area as the incident noted in 2017. Dam owner put in a small slurry wall to cut off the seepage. | L | RE | S | Y | 39 ft | 629 ac-ft | 38 acres | 1876 | OH00515 | SWIFT RUN | 40.1764 | -84.2633 | 0 | DEPARTMENT OF NATURAL RESOURCES | 3 days | No | OH DNR | ||||||
ECHO LAKE DAM | OH | S | Failure | 06/08/2018 | Hydrologic/flooding | Overtopping | OH00000-3265 | The area received 5 inches of rain in less than 6 hours. It appeared that the center of the crest was approximately 1 foot lower than the left and right ends. The original principal spillway was grouted shut and a new spillway was installed between August 2005 and April 2006 based on historical aerial photographs of the dam. The dam had no emergency spillway. | No | 1 | 0 | 0 | 2 | Roads, Railroad | $100,000 to $500,000 | ODSP did not hear about this dam until after the fact. The dam was not inventoried and therefore not inspected by our program. Staff inspected the breached dam and surveyed the damage downstream. A letter was sent to the owner indicating that if the dam were to be reconstructed that a construction permit from our office would be required. | 28.6 ac-ft | 1 Elderly woman was killed. Apparently she left her house to check on her goat and was swept away in the floodwaters. Unknown if this occurred during dam failure or just during flooding event. | P | RE | R | N | 22 ft | 28 ac-ft | 2 acres | 0 | OH00000 | TRIBUTARY TO CONOTTON CREEK | 40.4894 | -81.3272 | 0 | OH DNR | 7-8 PM | less than 1 day | No | OH DNR | |||
BURTON LAKE DAM | OH | S | Non-failure | 06/28/2018 | Seepage/internal Erosion | Piping | Spillway Chute Failure | OH01611-3266 | Cloudy discharge from under spillway reported by downstream neighbor. | No | 0 | 0 | 0 | 0 | ODSP staff made site visits to assist owner with construction of weighted filter berm at the outlet and excavation of partial breach though the emergency spillway since there was no lake drain to lower the water level. A Chief's Order issued to breach the dam. The dam owner fully breached the dam by the end of the year. | L | RE | R | Y | 9 ft | 447 ac-ft | 18 acres | 1952 | OH01611 | TRIBUTARY TO BRIDGE CREEK | 41.4303 | -81.1861 | 0 | DEPARTMENT OF NATURAL RESOURCES | 6 months | No | OH DNR | |||||||
PRIDE VALLEY LAKE DAM | OH | L | Non-failure | 08/20/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH01047-3267 | The principal spillway riser failed. | No | 0 | 0 | 0 | 0 | ODSP staff made site visits to assist owner. Owner actually had approved plans to replace the principal spillway prior to incident. Owner had contractor come in and temporarily breach the dam. Replaced the spillway in the summer of 2019. | P | RE | R | N | 26 ft | 56 ac-ft | 6 acres | 1957 | OH01047 | TRIBUTARY TO ARMSTRONG RUN | 40.7083 | -81.17 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | No | OH DNR | ||||||||
ISLAND FISHING LAKE DAM | OH | S | Non-failure | 12/20/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH00176-3268 | The principal spillway collapse so water could not exit lake. Neighbor reported high pool that was flooding their property. | No | 0 | 0 | 0 | 0 | ODSP staff directed the dam owner to install siphons to lower the water level since there was not lake drain. Owner lowered the water level and has maintained it below the spillway elevation. They plan to replace the spillway pipe by the end of 2019. | P | RE | R | Y | 11 ft | 139 ac-ft | 20 acres | 0 | OH00176 | TRIBUTARY TO SALMON RUN | 39.4472 | -84.6883 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | No | OH DNR | ||||||||
UPPER SHAKER LAKE DAM | OH | H | Non-failure | 04/18/2018 | Seepage/internal Erosion | Piping | Spillway Pipe Failure | OH00353-3269 | Sinkhole next to the spillway found during periodic inspection. | No | 0 | 0 | 0 | 0 | ODSP staff directed the dam owner to lower the water level. Started by pumping and then was able to remove a portion of the spillway riser. Dam currently under design. | L | RE | R | Y | 30 ft | 155 ac-ft | 11 acres | 1852 | OH00353 | DOAN BROOK | 41.4831 | -81.5606 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | |||||||||
CROOKSVILLE RESERVOIR NO. 1 DAM | OH | H | Non-failure | 11/07/2018 | Seepage/internal Erosion | Piping | Spillway Pipe Failure | OH00279-3270 | During a periodic inspection, sinkholes in the left end of the downstream slope of the dam were discovered. Ordered the dam owner to drain the lake. Owner is working on permanently breaching the dam. | L | RE | R | N | 34 ft | 96 ac-ft | 7 acres | 1934 | OH00279 | DRY RUN | 39.7611 | -82.0472 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH DNR | ||||||||||||||
NORTH RESERVOIR DAM | OH | H | Non-failure | 12/01/2018 | Deterioration Or Poor Condition | Gate/valve Failure | OH00587-3271 | Lake drain operation caused the abutment movement and unsafe condition for operator. | No | 0 | 0 | 0 | 0 | ODSP staff made a site visit to inspect the rest of the structure. Dam currently under design. | S | RE | R | Y | 12 ft | 1111 ac-ft | 166 acres | 1840 | OH00587 | TRIBUTARY TO TUSCARAWAS RIVER | 41.0056 | -81.5508 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | No | OH DNR | ||||||||
PEABODY COAL COMPANY POND DAM | OH | L | Non-failure | 10/25/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH00868-3272 | During a periodic inspection, ODSP staff discovered that the last 4 sections of the spillway pipe had separated from the rest of the spillway and the downstream slope over the spillway pipe had eroded away. | No | 0 | 0 | 0 | 0 | ODSP staff informed owner. The dam is being monitored and currently under design. | S | RE | R | Y | 34 ft | 215 ac-ft | 5 acres | 1967 | OH00868 | TRIBUTARY TO MILL FORK | 40.2289 | -81.9467 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH DNR | |||||||||
SLAUGHTERS LAKE DAM | KY | S | Failure | 02/25/2018 | Deterioration Or Poor Condition | Erosion | KY00141-3273 | Dam breached around principal spillway pipe due to poor condition of structure and excessive erosion. | 0 | 0 | 0 | 0 | P | RE | O | NR | 18 ft | 260 ac-ft | 13 acres | 1890 | KY00141 | DEER CREEK | 37.4785 | -87.4925 | 0 | KY DIVISION OF WATER | Yes | KY DNR | |||||||||||
LUZERNE LAKE DAM | KY | H | Non-failure | 02/26/2018 | Structural Stability | Slope Stability | Sliding | KY00158-3274 | Dam experienced a slide on the downstream slope due to steep slopes and saturated conditions. | 0 | 0 | 0 | 0 | L | RE | R | Y | 25 ft | 937 ac-ft | 59 acres | 1940 | KY00158 | CANEY CREEK | 37.2131 | -87.196 | 0 | KY DIVISION OF WATER | Yes | KY DNR | ||||||||||
BIG BONE LICK STATE PARK DAM | KY | L | Non-failure | 06/17/2018 | Seepage/internal Erosion | Piping | KY00307-3275 | Dam experienced a piping incident on the downstream slope with large sinkhole formation. Drawdown only partially functional. Suspect failed low level conduit. | 0 | 0 | 0 | 0 | S | RE | R | Y | 70 ft | 218 ac-ft | 9 acres | 1971 | KY00307 | BIG BONE CREEK | 38.8845 | -84.7429 | 0 | KY DIVISION OF WATER | Yes | KY DNR | |||||||||||
OTTER LAKE DAM | KY | H | Non-failure | 03/01/2018 | Structural Stability | Slope Stability | KY00858-3276 | Dam experienced a slide on the downstream slope due to steep slopes and saturated conditions. | 0 | 0 | 0 | 0 | P | RE | R | Y | 28 ft | 695 ac-ft | 26 acres | 1959 | KY00858 | OTTER CREEK | 37.4066 | -87.518 | 0 | KY DIVISION OF WATER | Yes | KY DNR | |||||||||||
BARTLETT CARRY DAM | NY | S | Non-failure | 05/06/2018 | Seepage/internal Erosion | Cracking | Excessive/increased Seepage | Sinkhole | NY00011-3277 | Leakage through the dam through the concrete on the upstream face of the spillway and through the porous core in the abutment wall caused excessive seepage which caused a sink hole. | Yes | 0 | 0 | 0 | 0 | The seepage was repaired using additional cutoffs and relief drains and the sink hole was repaired. | P | CNOT | OR | Y | 17 ft | 70924 ac-ft | 5066 acres | 1915 | NY00011 | SARANAC RIVER | 44.2506 | -74.2942 | 0 | NYS DEC | 3 days | Yes | NY Dam Safety | ||||||
NORWOOD | NY | H | Non-failure | 09/06/2018 | Deterioration Or Poor Condition | Cracking | Excessive/increased Seepage | NY00743-3278 | Increased seepage through concrete joints had to be repaired through a grouting program | No | 0 | 0 | 0 | 0 | This is a FERC Licensed dam. FERC was the primary regulator monitoring the repairs. | P | CNERPG | H | Y | 24 ft | 1736 ac-ft | 350 acres | 1928 | NY00743 | RAQUETTE RIVER | 44.7433 | -75.0054 | 0 | NYS DEC | 9 months | Yes | NY Dam Safety | |||||||
GREENBRIER STATE PARK DAM & DIKE | MD | H | Non-failure | 07/20/2018 | Hydrologic /flooding | Overtopping | MD00118-3279 | Yes | None | None | None | None | Other,recreational lake | Unknown | S | RE | R | Y | 64 ft | 734 ac-ft | 27 acres | 1965 | MD00118 | LITTLE BEAVER CREEK-TR | 39.5389 | -77.6213 | 1996 | MD DAM SAFETY | 3 weeks | No | MD DAM SAFETY | ||||||||
LAKE MARIAN (WOODRIDGE ROAD) | MD | L | Non-failure | 08/05/2018 | Other | Slope Stability | MD00075-3280 | No | None | None | None | None | Roads | P | RE | R | NR | 50 ft | 113 ac-ft | 3 acres | 1973 | MD00075 | LINGANORE CREEK-TR | 39.4172 | -77.3268 | 2003 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | |||||||||
CASCADE LAKE DAM | MD | S | Non-failure | 04/16/2018 | Seepage/internal Erosion | Excessive/increased Seepage | MD00042-3281 | Yes | None | None | None | None | Other,recreational lake | P | ER | R | Y | 20 ft | 58 ac-ft | 5 acres | 1900 | MD00042 | PATAPSCO RIVER-TR-EAST BRANCH | 39.6167 | -76.8883 | 1976 | MD DAM SAFETY | 6 months | No | MD DAM SAFETY | |||||||||
ST CLAIR FARM POND | MD | S | Non-failure | 04/18/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | MD00199-3282 | No | None | Unknown | Unknown | Unknown | Roads | P | RE | R | Y | 18 ft | 64 ac-ft | 8 acres | 1968 | MD00199 | CHURCH BRANCH, TR-BUSH CREEK | 39.3417 | -77.2245 | 1968 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | |||||||||
RISING SUN WASTE WATER LAGOON | MD | L | Non-failure | 07/25/2018 | Hydrologic/flooding | Overtopping | MD00130-3283 | No | None | None | None | None | Roads | L | RE | NR | 10 ft | 119 ac-ft | 8 acres | 1964 | MD00130 | OFFSTREAM-STONE RUN | 39.7067 | -76.08 | 2012 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | ||||||||||
MORRIS MILL POND (SOUTH DIVISION STREET) | MD | H | Non-failure | 10/01/2018 | Hydrologic/flooding | Overtopping | Debris Clogging | MD00131-3284 | Hurricane Michael | No | None | None | None | None | Roads | L | RE | RI | Y | 11 ft | 191 ac-ft | 11 acres | 1947 | MD00131 | SLAB BRIDGE CREEK | 38.326 | -75.6024 | 2018 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | |||||||
WILDCAT DAM | TX | Not Available | Failure | Unknown | Unknown | TX00990-3285 | BREACHED | P | RE | PR | Y | 30 ft | 192 ac-ft | 4 acres | 1951 | TX00990 | BEAVER CREEK | 30.9082 | -98.3887 | 0 | TCEQ | TCEQ | |||||||||||||||||
UPPER BRUSHY CREEK WS SCS SITE 25 DAM | TX | Not Available | Non-failure | Structural Stability | Sliding | TX01339-3286 | SLIDE ON DOWNSTREAM SLOPE | L | RE | CP | N | 35 ft | 1728 ac-ft | 36 acres | 1975 | TX01339 | LITTLE MUSTANG CREEK | 30.5774 | -97.4827 | 0 | TCEQ | TCEQ | |||||||||||||||||
LAKE DUNLAP DAM | TX | Not Available | Non-failure | Unknown | Gate/valve Failure | TX01602-3287 | SPILLWAY GATE FAILED | S | RE | HR | Y | 41 ft | 14330 ac-ft | 410 acres | 1928 | TX01602 | GUADALUPE RIVER | 29.654 | -98.0663 | 0 | TCEQ | TCEQ | |||||||||||||||||
LAKE WOOD DAM | TX | Not Available | Non-failure | Unknown | Gate/valve Failure | TX01913-3288 | SPILLWAY GATE FAILED | S | RE | HR | Y | 42 ft | 27450 ac-ft | 488 acres | 1931 | TX01913 | GUADALUPE RIVER | 29.4684 | -97.4921 | 0 | TCEQ | TCEQ | |||||||||||||||||
ROGERS LAKE DAM | TX | Not Available | Failure | Unknown | Unknown | TX02356-3289 | FAILURE OF DAM | P | RE | S | NR | 20 ft | 216 ac-ft | 18 acres | 1962 | TX02356 | TR-SYPERT BRANCH | 30.9065 | -97.2317 | 0 | TCEQ | TCEQ | |||||||||||||||||
COTTON LAKE DAM | TX | Not Available | Failure | 05/17/2018 | Unknown | Unknown | TX02845-3290 | BREACHED | P | RE | S | NR | 16 ft | 96 ac-ft | 10 acres | 1970 | TX02845 | TR-CANEY CREEK | 32.5709 | -95.9518 | 0 | TCEQ | TCEQ | ||||||||||||||||
CANTRELL LAKE DAM | TX | Not Available | Failure | 05/17/2018 | Unknown | Unknown | TX02805-3291 | BREACHED | P | RE | S | NR | 18 ft | 137 ac-ft | 12 acres | 1972 | TX02805 | TR-HORSLEY CREEK | 32.4586 | -95.6248 | 0 | TCEQ | TCEQ | ||||||||||||||||
CADENHEAD DAM | TX | Non-failure | 12/28/2018 | Seepage/internal Erosion | Piping | TX07536-3292 | PIPING FAILURE DID NOT BREACH THE DAM | RE | 21 ft | 43 ac-ft | 0 acres | 0 | TX07536 | 0 | 0 | 0 | TCEQ | ||||||||||||||||||||||
HADDOCK DAM | TX | Non-failure | 01/02/2019 | Unknown | Spillway Deficiency | TX07538-3293 | SPILLWAY FAILURE | RE | 12 ft | 53 ac-ft | 0 acres | 0 | TX07538 | 0 | 0 | 0 | TCEQ | ||||||||||||||||||||||
DAM AT HLE | TX | Non-failure | 05/01/2019 | Unknown | Spillway Deficiency | TX07552-3294 | SPILLWAY FAILURE | RE | 19 ft | 57 ac-ft | 0 acres | 0 | TX07552 | 0 | 0 | 0 | TCEQ | ||||||||||||||||||||||
LAWLER DAM | TX | Non-failure | 10/01/2018 | Unknown | Overtopping | TX09730-3295 | OVERTOPPED, DID NOT FAIL. DOWNSTREAM SLOPE DAMAGE | RE | 9 ft | 20 ac-ft | 0 acres | 0 | TX09730 | 0 | 0 | 0 | TCEQ | ||||||||||||||||||||||
TOWSON DAM | TX | Non-failure | 12/28/2018 | Unknown | Spillway Deficiency | TX09733-3296 | SPILLWAY DAMAGE | RE | 15 ft | 42 ac-ft | 0 acres | 0 | TX09733 | 0 | 0 | 0 | TCEQ | ||||||||||||||||||||||
CLOVER DAM | VA | S | Non-failure | 06/03/2018 | Hydrologic/flooding | Overtopping | Erosion | VA003162-3297 | Overtopping of dam, severe erosion of downstream face of dam. | No | 0 | P | RE | R | Y | 23 ft | 98 ac-ft | 7 acres | 0 | VA003162 | TR-IVY CREEK | 38.0622 | -78.5829 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||
FLATROCK POND DAM | VA | U | Non-failure | 10/08/2016 | Hydrologic/flooding | Unknown | VA025005-3298 | Matthew | No | 0 | From Hurricane Matthew in October 2016. Met with VDOT personnel about emergency repairs/alterations on 05/30/18. | P | RE | R | N | 14 ft | 91 ac-ft | 9 acres | 0 | VA025005 | FLATROCK BRANCH OF REEDY CREEK - VAHU6 CM18 REEDY CREEK | 36.8121 | -77.7596 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||
ALLEN LAKE DAM | VA | U | Non-failure | 05/17/2018 | Unknown | Spillway Erosion/head Cutting | VA029050-3299 | Loss of emergency spillway , loss of lake volume. | No | 0 | P | RE | R | N | 24 ft | 91 ac-ft | 9 acres | 0 | VA029050 | 37.5636 | -78.403 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
LAUREL CREEK DAM | VA | U | Non-failure | 03/14/2019 | Hydrologic/flooding | Overtopping | Erosion | VA077004-3300 | Dam had overtopped and came very close to failing. The overtopping was several inches deep over 1/3 to 1/2 the length of the dam. Head cutting erosion started in several places at the toe of the dam. | 0 | The excellent grass cover kept the dam from failing by overtopping erosion being much slower with the excellent grass cover. Original botton drain pipe and prinicipal spillway riser are gone. Single spillway culvert at full capacity at inlet and within | P | RE | R | N | 24 ft | 124 ac-ft | 10 acres | 1974 | VA077004 | LAUREL CREEK | 36.7242 | -81.3635 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||
EDMUNDS LAKE | VA | L | Non-failure | 10/23/2018 | Unknown | Spillway Erosion/head Cutting | VA083039-3301 | Dam sustained major erosion into noncompetent Rock in Auxiliary Spillway | 0 | S | RE | R | N | 28 ft | 358 ac-ft | 26 acres | 0 | VA083039 | NONE | 36.7148 | -78.6901 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
CANTERBURY DAM | VA | H | Non-failure | 05/18/2018 | Hydrologic/flooding | Overtopping | VA087002-3302 | overtopping of dam/damage to road | No | 0 | L | RE | R | Y | 13 ft | 162 ac-ft | 11 acres | 0 | VA087002 | 37.6024 | -77.6062 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
CANTERBURY DAM | VA | H | Non-failure | 12/12/2018 | Malfunction Of Equipment/gate | Accident Or Misoperation | Erosion | VA087002-3303 | Dam experienced internal erosion away from edges and was subsequently excavated tor repair watermain break and later backfilled. | No | 0 | L | RE | R | Y | 13 ft | 162 ac-ft | 11 acres | 0 | VA087002 | 37.6024 | -77.6062 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
BEAVER CREEK DAM | VA | H | Non-failure | 05/21/2018 | Hydrologic/flooding | Spillway Chute Failure | VA089003-3304 | Damage due to excessive rain. Unable to maintain the lower pool level of 18” down from crest of their concrete spillway, and water is again flowing through their damaged concrete spillway. Voids under the concrete spillway and heaved slab sections on th | No | 0 | It was then found that even with flows as low as 0.5 CFS (about 225 gallons per minute)in the spillway there was continual and significant amounts of subslab base material from under the spillway concrete spillway eroding out and depositing into the plun | L | RE | S | Y | 70 ft | 6603 ac-ft | 206 acres | 0 | VA089003 | BEAVER CREEK | 36.7433 | -79.875 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||
KELLAM DAM | VA | U | Non-failure | 05/09/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | VA131004-3305 | Report of failed dam components (riser/barrel) from dam owner and county. Decrease in normal pool lake level. Dam did not fail. | No | 0 | P | RE | I | N | 10 ft | 251 ac-ft | 0 acres | 1960 | VA131004 | TR-THE GULF | 37.3695 | -75.9825 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
LOY LAKE DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX02053-2685 | SPILLWAY EROSION | L | RE | R | Y | 25 ft | 642 ac-ft | 42 acres | 1933 | TX02053 | LOY CREEK | 33.7296 | -96.588 | 0 | TCEQ | TX DEQ | ||||||||||||||||
YORK CREEK WS SCS SITE 6 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX01605-2686 | SLIDE | LP | RE | CRPD | Y | 31 ft | 877 ac-ft | 26 acres | 1962 | TX01605 | TR-YORK CREEK | 29.7394 | -97.9746 | 0 | TCEQ | TX DEQ | ||||||||||||||||
MOUNTAIN CREEK DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX00827-2687 | SLIDES | P | RE | O | Y | 47 ft | 64372 ac-ft | 2880 acres | 1936 | TX00827 | MOUNTAIN CREEK | 32.7326 | -96.9437 | 1999 | TCEQ | TX DEQ | ||||||||||||||||
LAKE LEON DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Slope Stability | TX01417-2688 | SLOPE FAILURE | L | RE | SRO | N | 90 ft | 72250 ac-ft | 1590 acres | 1954 | TX01417 | LEON RIVER | 32.3627 | -98.6756 | 1987 | TCEQ | TX DEQ | ||||||||||||||||
CLEAR CREEK WS SCS SITE 45 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00557-2689 | SPILLWAY DAMAGE | L | RE | CPD | NR | 51 ft | 2750 ac-ft | 20 acres | 1961 | TX00557 | WHEAT CREEK | 33.5346 | -97.3762 | 0 | TCEQ | TX DEQ | ||||||||||||||||
CLEAR CREEK WS SCS SITE 48 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00527-2690 | SPILLWAY DAMAGE | L | RE | C | NR | 37 ft | 3124 ac-ft | 46 acres | 1965 | TX00527 | GRASS HOPPER CREEK | 33.4571 | -97.3167 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LITTLE ELM AND LATERALS WS SCS SITE 19 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX01129-2691 | SLIDE | L | RE | CRP | NR | 24 ft | 1094 ac-ft | 38 acres | 1970 | TX01129 | TR-LITTLE ELM CREEK | 33.3278 | -96.8344 | 0 | TCEQ | TX DEQ | ||||||||||||||||
WEST FORK ABOVE BRIDGEPORT WS SCS SITE 1 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Pipe Failure | TX03211-2692 | PIPE FAILURE | L | RE | C | NR | 46 ft | 8855 ac-ft | 481 acres | 1951 | TX03211 | NORTH FORK CROOKED CREEK | 33.4222 | -98.1051 | 0 | TCEQ | TX DEQ | ||||||||||||||||
DENTON CREEK WS SCS SITE 16 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX01524-2693 | SEVERE SPILLWAY EROSION | L | RE | C | NR | 54 ft | 2100 ac-ft | 22 acres | 1968 | TX01524 | TR-DENTON CREEK | 33.4131 | -97.5039 | 0 | TCEQ | TX DEQ | ||||||||||||||||
FARMERS CREEK WS SCS DEBRIS BASIN 117 | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX04600-2694 | SPILLWAY DAMAGE | LP | RE | CPFD | NR | 41 ft | 99 ac-ft | 6 acres | 1975 | TX04600 | TR-WEST FARMERS CREEK | 33.68 | -97.6461 | 0 | TCEQ | TX DEQ | ||||||||||||||||
FARMERS CREEK WS SCS DEBRIS BASIN 116 | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX04599-2695 | SPILLWAY DAMAGE | LP | RE | CPFD | NR | 36 ft | 83 ac-ft | 4 acres | 1975 | TX04599 | TR-WEST FARMERS CREEK | 33.6745 | -97.6433 | 0 | TCEQ | TX DEQ | ||||||||||||||||
DENTON CREEK WS SCS SITE 3 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00742-2696 | SPILLWAY DAMAGE | L | RE | CPD | NR | 35 ft | 4469 ac-ft | 71 acres | 1972 | TX00742 | DRY VALLEY CREEK | 33.5639 | -97.6928 | 0 | TCEQ | TX DEQ | ||||||||||||||||
DENTON CREEK WS SCS SED CONT STR 2-9 | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Overtopping | TX05529-2697 | OVERTOPPING, DID NOT BREACH, EROSION DAMAGE | L | RE | CPD | NR | 21 ft | 84 ac-ft | 7 acres | 1978 | TX05529 | TR-DRY VALLEY CREEK | 33.5892 | -97.7107 | 0 | TCEQ | TX DEQ | ||||||||||||||||
DENTON CREEK WS SCS SITE 1B1 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Pipe Failure | TX00732-2698 | PIPE DAMAGE | L | RE | CPF | NR | 29 ft | 600 ac-ft | 15 acres | 1966 | TX00732 | TR-DENTON CREEK | 33.6093 | -97.7465 | 0 | TCEQ | TX DEQ | ||||||||||||||||
CLEAR CREEK WS SCS SITE 50 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00631-2699 | SPILLWAY DAMAGE | LP | RE | C | NR | 50 ft | 2824 ac-ft | 34 acres | 1961 | TX00631 | BUCK CREEK | 33.3941 | -97.2742 | 0 | TCEQ | TX DEQ | ||||||||||||||||
RICHLAND CREEK WS SCS SITE 10 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX01075-2700 | SLIDE | L | RE | CR | NR | 27 ft | 1513 ac-ft | 66 acres | 1957 | TX01075 | TR-MUNGER BRANCH | 31.778 | -96.6645 | 0 | TCEQ | TX DEQ | ||||||||||||||||
CEDAR CREEK WS SCS SITE 87A DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX03341-2701 | SLIDE | L | RE | CRP | Y | 43 ft | 20147 ac-ft | 840 acres | 1969 | TX03341 | MUDDY CEDAR CREEK | 32.7275 | -96.1722 | 1969 | TCEQ | TX DEQ | ||||||||||||||||
LOWER EAST FORK LATERALS WS SCS SITE 10 DAM | TX | Not Available | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX03358-2702 | SPILLWAY DAMAGE | L | RE | CRP | N | 29 ft | 2017 ac-ft | 141 acres | 1953 | TX03358 | WARSAW CREEK | 32.5495 | -96.4174 | 0 | TCEQ | TX DEQ | ||||||||||||||||
KENDALL LAKE DAM | TX | Not Available | Failure | 05/30/2015 | Hydrologic/flooding | Overtopping | TX05032-2703 | OVERTOPPING, BREACHED | P | RE | SR | NR | 20 ft | 76 ac-ft | 8 acres | 1965 | TX05032 | TR-SANDY CREEK | 32.3856 | -99.0237 | 0 | TCEQ | TX DEQ | ||||||||||||||||
JOSHUA SPRINGS PARK DAM NO 3 | TX | Not Available | Non-failure | 05/29/2015 | Hydrologic/flooding | Overtopping | TX07311-2704 | OVERTOPPING, DID NOT BREACH, EROSION DAMAGE | L | RE | Y | 36 ft | 39 ac-ft | 1 acres | 1800 | TX07311 | LITTLE JOSHUA CREEK | 29.8839 | -98.8085 | 0 | TCEQ | TX DEQ | |||||||||||||||||
JOSHUA SPRINGS PARK DAM NO 2 | TX | Not Available | Non-failure | 05/29/2015 | Hydrologic/flooding | Overtopping | TX09592-2705 | OVERTOPPING, DID NOT BREACH, EROSION DAMAGE | L | RE | Y | 20 ft | 49 ac-ft | 7 acres | 1800 | TX09592 | LITTLE JOSHUA CREEK | 29.884 | -98.8188 | 0 | TCEQ | TX DEQ | |||||||||||||||||
MOUNTAIN CREEK WS SCS SITE 10 DAM | TX | Not Available | Non-failure | 05/27/2015 | Hydrologic/flooding | Overtopping | TX01309-2706 | OVERTOPPING, DID NOT BREACH, CONSTRUCTION COFFERDAM | L | RE | CR | N | 43 ft | 6457 ac-ft | 90 acres | 1956 | TX01309 | NEWTON BRANCH | 32.498 | -97.0421 | 0 | TCEQ | TX DEQ | ||||||||||||||||
UPPER BRUSHY CREEK WS SCS SITE 22 DAM | TX | Not Available | Non-failure | 05/26/2015 | Hydrologic/flooding | Sliding | TX01323-2707 | SLIDES | L | RE | CP | Y | 21 ft | 615 ac-ft | 11 acres | 1959 | TX01323 | TR-BRUSHY CREEK | 30.4906 | -97.5402 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LEWIS CREEK DAM | TX | Not Available | Non-failure | 05/25/2015 | Hydrologic/flooding | Sliding | TX00119-2708 | MULTIPLE SLIDES | P | RE | SRO | Y | 57 ft | 22000 ac-ft | 1010 acres | 1969 | TX00119 | LEWIS CREEK | 30.4345 | -95.5431 | 2012 | TCEQ | TX DEQ | ||||||||||||||||
ATHENS FISH AND GAME CLUB LAKE DAM | TX | Not Available | Non-failure | 05/11/2015 | Hydrologic/flooding | Overtopping | TX00220-2710 | OVERTOPPING, DID NOT BREACH | P | RE | R | NR | 28 ft | 1419 ac-ft | 100 acres | 1920 | TX00220 | FLAT CREEK | 32.2346 | -95.7774 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LAKE HALBERT DAM | TX | Not Available | Non-failure | 05/11/2015 | Hydrologic/flooding | Spillway Deficiency | TX02568-2711 | SPILLWAY DAMAGE | L | RE | S | Y | 49 ft | 14400 ac-ft | 649 acres | 1921 | TX02568 | ELM CREEK | 32.0764 | -96.4058 | 1994 | TCEQ | TX DEQ | ||||||||||||||||
INDIAN HILL LAKE DAM | TX | Not Available | Non-failure | 05/12/2014 | Unknown | Spillway Deficiency | TX02977-2712 | SPILLWAY FAILED, DID NOT BREACH | P | RE | R | NR | 28 ft | 386 ac-ft | 20 acres | 1960 | TX02977 | BLACK CREEK | 30.8833 | -95.6106 | 0 | TCEQ | TX DEQ | ||||||||||||||||
CLEAR SPRING LAKE DAM | TX | Not Available | Non-failure | 01/15/2012 | Hydrologic/flooding | Overtopping | TX02715-2713 | OVERTOPPING, DID NOT BREACH. CONSIDERABLE SPILLWAY DAMAGE | P | RE | R | N | 19 ft | 350 ac-ft | 25 acres | 1950 | TX02715 | GREENS CREEK | 30.1127 | -97.4648 | 0 | TCEQ | TX DEQ | ||||||||||||||||
CLUB 20 LAKE DAM | TX | Not Available | Non-failure | 01/01/2011 | Seepage/internal Erosion | Sinkhole | TX02841-2714 | SINKHOLE AT TOE WITH SEEPAGE | P | RE | IR | Y | 29 ft | 269 ac-ft | 23 acres | 1962 | TX02841 | TR-GRAND SALINE CREEK | 32.5386 | -95.7741 | 2002 | TCEQ | TX DEQ | ||||||||||||||||
GABRIELS OVERLOOK DAM | TX | Not Available | Non-failure | 09/08/2010 | Hydrologic/flooding | Overtopping | TX07254-2715 | OVERTOPPING, DID NOT BREACH | P | RE | Y | 25 ft | 114 ac-ft | 11 acres | 1964 | TX07254 | TRIBUTARY OF SAN GABRIEL RIVER | 30.6195 | -97.8003 | 0 | TCEQ | TX DEQ | |||||||||||||||||
VICKERY LAKE DAM | TX | Not Available | Non-failure | 10/13/2009 | Hydrologic/flooding | Overtopping | TX07292-2716 | OVERTOPPING, DID NOT BREACH | P | RE | R | N | 20 ft | 56 ac-ft | 7 acres | 1930 | TX07292 | UNTR-LAKE FORK CREEK | 32.7392 | -95.4779 | 0 | TCEQ | TX DEQ | ||||||||||||||||
PEDDY LAKE DAM | TX | Not Available | Failure | 09/15/2009 | Hydrologic/flooding | Overtopping | TX07299-2717 | OVERTOPPING, BREACHED | P | RE | N | 20 ft | 96 ac-ft | 12 acres | 1997 | TX07299 | UN TR-SOUTH FORK | 32.9279 | -95.2115 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE CONNIE JEAN DAM | TX | Not Available | Non-failure | 09/13/2008 | Unknown | Spillway Deficiency | TX00040-2718 | S.S. FAILED, DID NOT BREACH | P | RE | RP | NR | 20 ft | 280 ac-ft | 23 acres | 1965 | TX00040 | WILLIAMS CREEK | 30.5168 | -94.8099 | 1988 | TCEQ | TX DEQ | ||||||||||||||||
BLAND LAKE DAM | TX | Not Available | Non-failure | 03/30/2008 | Hydrologic/flooding | Overtopping | TX03968-2719 | OVERTOPPING, DID NOT BREACH | P | RE | R | NR | 12 ft | 150 ac-ft | 29 acres | 1890 | TX03968 | AYISH BAYOU | 31.5889 | -94.1114 | 0 | TCEQ | TX DEQ | ||||||||||||||||
RHINES RESERVOIR DAM | TX | Not Available | Non-failure | 01/01/2008 | Seepage/internal Erosion | Piping | TX02803-2720 | PIPING | P | RE | S | NR | 22 ft | 2949 ac-ft | 300 acres | 1948 | TX02803 | NECHES RIVER | 32.4961 | -95.6764 | 2010 | TCEQ | TX DEQ | ||||||||||||||||
ANDERSON-RAINES DAM | TX | Not Available | Non-failure | 08/03/2007 | Unknown | Spillway Deficiency | TX07259-2721 | S.S. FAILED, DID NOT BREACH | P | RE | NR | 20 ft | 134 ac-ft | 5 acres | 1987 | TX07259 | TR-DRY HOLLOW | 30.9145 | -97.1999 | 0 | TCEQ | TX DEQ | |||||||||||||||||
NEAR KIM LAKE DAM | TX | Not Available | Non-failure | 07/18/2007 | Unknown | Spillway Deficiency | TX00103-2722 | S.S. FAILED, DID NOT BREACH | P | RE | R | Y | 19 ft | 293 ac-ft | 18 acres | 1963 | TX00103 | TR-LAKE CREEK | 30.2923 | -95.7233 | 2010 | TCEQ | TX DEQ | ||||||||||||||||
PESSINK LAKE DAM | TX | Not Available | Non-failure | 07/08/2007 | Hydrologic/flooding | Overtopping | TX07255-2723 | OVERTOPPING, DID NOT BREACH | P | RE | R | Y | 17 ft | 50 ac-ft | 7 acres | 1800 | TX07255 | TR-RODDY BRANCH | 32.2065 | -95.2822 | 0 | TCEQ | TX DEQ | ||||||||||||||||
HIGHLAND CLUB DAM | TX | Not Available | Non-failure | 07/01/2007 | Hydrologic/flooding | Overtopping | TX03995-2724 | OVERTOPPING | P | RE | R | NR | 17 ft | 412 ac-ft | 50 acres | 1919 | TX03995 | TR-ARTHUR REEVES BRANCH | 32.9408 | -94.9858 | 2007 | TCEQ | TX DEQ | ||||||||||||||||
LAKE O THE WOODS DAM | TX | Not Available | Non-failure | 07/01/2007 | Hydrologic/flooding | Overtopping | TX04240-2725 | OVERTOPPING | P | RE | R | NR | 16 ft | 191 ac-ft | 12 acres | 1957 | TX04240 | HIGHLAND POND BRANCH | 32.6475 | -95.2786 | 2008 | N | TX DEQ | ||||||||||||||||
MEADOW WOOD LAKE NO 3 DAM | TX | Not Available | Non-failure | 07/01/2007 | Seepage/internal Erosion | Piping | TX06890-2726 | PIPING | P | RE | R | Y | 15 ft | 223 ac-ft | 9 acres | 1950 | TX06890 | TR-BACHELOR CREEK | 32.6789 | -96.3036 | 2008 | TCEQ | TX DEQ | ||||||||||||||||
GABRIELS OVERLOOK DAM | TX | Not Available | Non-failure | 06/28/2007 | Hydrologic/flooding | Overtopping | TX07254-2727 | OVERTOPPING, DID NOT BREACH | P | RE | Y | 25 ft | 114 ac-ft | 11 acres | 1964 | TX07254 | TRIBUTARY OF SAN GABRIEL RIVER | 30.6195 | -97.8003 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CHACON DAM | TX | Not Available | Non-failure | 06/18/2007 | Unknown | Spillway Deficiency | TX01783-2728 | S.S. FAILED | L | RE | I | N | 15 ft | 2312 ac-ft | 107 acres | 1912 | TX01783 | CHACON CREEK | 29.2366 | -98.8739 | 0 | N | TX DEQ | ||||||||||||||||
DOGWOOD LAKE DAM | TX | Not Available | Non-failure | 11/01/2006 | Unknown | Spillway Deficiency | TX00029-2729 | S.S. FAILED, DID NOT BREACH | P | RE | R | NR | 32 ft | 209 ac-ft | 13 acres | 1965 | TX00029 | TR-CHOATES CREEK | 30.725 | -94.8771 | 2007 | TCEQ | TX DEQ | ||||||||||||||||
JOHN MAY DAM NO 2 | TX | Not Available | Non-failure | 07/01/2005 | Seepage/internal Erosion | Piping | Animal Activity | TX06389-2730 | PIPING, ANIMAL BURROWS | P | RE | N | 15 ft | 66 ac-ft | 11 acres | 1945 | TX06389 | TR-TANKERSLEY CREEK | 33.1813 | -95.0011 | 0 | TCEQ | TX DEQ | ||||||||||||||||
CALLAWAY DAM | TX | Not Available | Non-failure | 05/13/2004 | Hydrologic/flooding | Overtopping | TX02133-2731 | OVERTOPPING | P | RE | R | NR | 20 ft | 298 ac-ft | 25 acres | 1961 | TX02133 | TR-LITTLE PIN OAK CREEK | 30.9199 | -96.5468 | 2006 | TCEQ | TX DEQ | ||||||||||||||||
MCGUIRE LAKE DAM | TX | Not Available | Non-failure | 05/13/2004 | Hydrologic/flooding | Overtopping | TX02134-2732 | OVERTOPPING | P | RE | R | NR | 15 ft | 360 ac-ft | 38 acres | 1961 | TX02134 | LITTLE PIN OAK CREEK | 30.9151 | -96.5518 | 0 | N | TX DEQ | ||||||||||||||||
COMANCHE CREEK DAM | TX | Not Available | Non-failure | 04/04/2004 | Hydrologic/flooding | Overtopping | TX02127-2733 | OVERTOPPING, DID NOT BREACH | L | RE | I | N | 22 ft | 1113 ac-ft | 100 acres | 1955 | TX02127 | COMANCHE CREEK | 30.8747 | -102.878 | 0 | TCEQ | TX DEQ | ||||||||||||||||
SPOTSWOOD DRIVE DAM | VA | L | Non-failure | 08/01/2018 | Manmade Action | Accident Or Misoperation | VA137015-3306 | Owner cut notch in dam with Track Hoe to release high water. | No | 0 | P | RE | R | N | 35 ft | 270 ac-ft | 5 acres | 0 | VA137015 | 38.3785 | -77.7805 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
DAVIS DAM | VA | U | Non-failure | 09/15/2018 | Unknown | Unknown | VA145088-3307 | Spillway experienced considerable erosion, seepage detected | No | 0 | P | NR | 20 ft | 106 ac-ft | 13 acres | 0 | VA145088 | 37.4475 | -77.8359 | 0 | VA DCR | ||||||||||||||||||
GOODWIN DAM | VA | L | Non-failure | 10/12/2018 | Hydrologic/flooding | Overtopping | Erosion | VA147005-3308 | Downslope earthen embankment erosion due to overtopping. Dam did not fail. | No | 0 | S | RE | R | Y | 32 ft | 212 ac-ft | 11 acres | 0 | VA147005 | TR-SANDY RIVER | 37.1753 | -78.2815 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||
GARLAND MILLPOND DAM | VA | L | Non-failure | 10/15/2018 | Unknown | Spillway Erosion/head Cutting | VA159002-3309 | Emergency spillway suffered erosion damage | No | 0 | P | RE | R | Y | 16 ft | 672 ac-ft | 56 acres | 0 | VA159002 | MARSHY SWAMP | 37.9588 | -76.7062 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
COLLEGE LAKE DAM | VA | H | Non-failure | 08/03/2018 | Hydrologic/flooding | Overtopping | VA680002-3310 | From overtopping and evacuation event on August 2-3, 2018. Dam did not fail. | Yes | 0 | L | RE | CR | Y | 35 ft | 710 ac-ft | 15 acres | 0 | VA680002 | BLACKWATER CREEK - VAHU6 JM10 - BLACKWATER CREEK | 37.4016 | -79.184 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
LAKE SUMMIT DAM | VA | Non-failure | 08/03/2018 | Hydrologic/flooding | Spillway Erosion/head Cutting | VA680003-3311 | Auxiliary (emergency) spillway erosion from heavy rainfall event in greater Lynchburg area on August 2-3, 2018. Dam did not fail. | No | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA680003 | 0 | 0 | 0 | VA DCR | |||||||||||||||||||||
CHAPEL LAKE DAM | VA | H | Non-failure | 02/07/2018 | Deterioration Or Poor Condition | Spillway Riser Failure | VA059015-3312 | Auxiliary (emergency) spillway erosion from heavy rainfall event in greater Lynchburg area on August 2-3, 2018. Dam did not fail. | No | 0 | Lake water was released through the internal pipe in the dam to the downstream and lake level was lowered. The dam didn't break. Fairfax County opened the low level drain and drained the lake to remove the hazard. | N | 0 ft | 0 ac-ft | 0 acres | 0 | VA059015 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||
REEDY MILLPOND DAM | VA | U | Non-failure | 05/21/2018 | Hydrologic/flooding | Spillway Erosion/head Cutting | VA003016-3313 | water levels breached the dam and damaged the western wingwalls. Dam had high water levels due to recent heavy rains which engaged the primary spillway (right looking downstream) and auxiliary spillway (left looking downstream). Flow in primary spillwa | No | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA003016 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||||
ISOM DAM | VA | H | Non-failure | 08/02/2018 | Seepage/internal Erosion | Piping | VA035016-3314 | Failure due to soil piping and erosion in the center of the dam | No | 0 | N | 0 ft | 0 ac-ft | 0 acres | 0 | VA035016 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||
SPENCER DAM | NE | S | Failure | 03/14/2019 | Other | Overtopping | Other | NE00628-3328 | Major flood and ice run on the river overtopped the dam and caused failure. | No | 1 | 1 | Bridges | Unknown | Dam operators attempted to evacuate the individual living just downstream but the home apparently washed away before that happened. | 16487 ac-ft | At the request of NE DNR and NPPD, ASDSO conducted an investigation of the failure. | U | RE | H | NR | 45 ft | 16487 ac-ft | 864 acres | 1927 | NE00628 | NIOBRARA RIVER | 42.8088 | -98.6566 | 0 | NE DNR | 5:15 AM | Yes | ASDSO Independent Investigation Panel | |||||
GREENE VALLY SECTION 7 DAM | VA | L | Non-failure | 08/19/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | VA079005-3315 | Primary spillway pipe failure at base of pipe. 5 foot drop in normal pool | No | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA079005 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||||
WEBB/STRICKEN DEER RESERVE DAM | VA | H | Non-failure | 01/15/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | VA035017-3316 | Pipe failure, significant erosion upstream crest of dam | No | 0 | N | 0 ft | 0 ac-ft | 0 acres | 0 | VA035017 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||
RAKES TAVERN LP DAM | VA | U | Non-failure | 03/19/2019 | Deterioration Or Poor Condition | Spillway Riser Failure | Overtopping | VA067000-3317 | Pond overflow pipe is broken off down in the pond and is stopped up so that it no longer works and is overflowing at the corner of the dam and is flooding roadside. the water flowing over the North corner of the dam appears to be degrading the dam itself | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA067000 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||||
LAKE POWHATAN DAM | VA | H | Non-failure | 02/23/2019 | Deterioration Or Poor Condition | Gate/valve Failure | Spillway Pipe Failure | VA015506-3318 | minor erosion on the upper face of the dam, not the crest, due to a whirlpool created due to a joint failure with the inlet pipe between the bottom drain valve and the dam on the lake side of the dam. The owners opened the valve to perform maintenance pr | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA015506 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||||
SYKESTON DAM | ND | S | Non-failure | 09/21/2019 | Hydrologic/flooding | High Reservoir Level | Erosion | ND00009-3319 | Area received 7-9 inches of rain, resulting in very high reservoir levels. Water flowed around the sides of the concrete chute spillway, resulting in some erosion behind one chute wall. | No | 0 | 0 | 0 | Roads | High flows through the dam's spillway washed out unpaved road below the dam. | L | RE | S | Y | 27 ft | 3790 ac-ft | 105 acres | 1908 | ND00009 | PIPESTEM CREEK | 47.4845 | -99.3967 | 1936 | NDSWC | No | |||||||||
COTTONWOOD CREEK DAM | ND | S | Non-failure | 04/04/2019 | Hydrologic/flooding | High Reservoir Level | ND00011-3320 | Spring snowmelt runoff caused flow through the dam's auxiliary spillway. | No | 0 | 0 | 0 | None | L | RE | R | N | 76 ft | 16839 ac-ft | 494 acres | 1973 | ND00011 | COTTONWOOD CREEK | 46.299 | -98.2671 | 1979 | NDSWC | 1 week | No | ||||||||||
ELM RIVER NO. 1 | ND | S | Non-failure | 04/25/2018 | Hydrologic/flooding | High Reservoir Level | ND00041-3321 | Spring snowmelt runoff caused flow through the dam's auxiliary spillway. | Yes | 0 | 0 | 0 | None | L | RE | C | Y | 25 ft | 5187 ac-ft | 48 acres | 1964 | ND00041 | MIDDLE BRANCH ELM RIVER | 47.3098 | -97.4647 | 0 | NDSWC | No | |||||||||||
SWAN BUFFALO DET D#12 | ND | S | Non-failure | 04/03/2019 | Hydrologic/flooding | High Reservoir Level | ND00199-3322 | Spring snowmelt runoff caused flow through the dam's auxiliary spillway. | No | 0 | 0 | 0 | None | L | RE | C | Y | 27 ft | 1615 ac-ft | 29 acres | 1960 | ND00199 | SWAN CREEK | 46.9834 | -97.3911 | 0 | NDSWC | 1 week | No | ||||||||||
DAVIS FISH DAM | ND | L | Non-failure | 04/23/2019 | Seepage/internal Erosion | Spillway Pipe Failure | Piping | Sinkhole | ND00211-3323 | A section of the CMP principal spillway conduit separated near the outlet, resulting in erosion around the outlet and a sinkhole over the outlet. | No | 0 | 0 | 0 | Other | Access into a recreational area that required driving over the dam was temporarily closed. | S | RE | R | NR | 30 ft | 307 ac-ft | 15 acres | 1963 | ND00211 | SPRING CREEK | 46.546 | -103.658 | 1985 | NDSWC | No | ||||||||
DAUB DAM | ND | S | Non-failure | 04/10/2018 | Seepage/internal Erosion | Erosion | Piping | Excessive/increased Seepage | ND00372-3324 | Seepage/piping and erosion resulted in a large hole forming around a concrete manhole structure containing the low-level drawdown valve on the downstream slope of the dam embankment. | Yes | 0 | 0 | 0 | Other | The reservoir was drained until repairs could be made. | S | RE | R | Y | 79 ft | 1346 ac-ft | 43 acres | 1971 | ND00372 | MISSOURI-TR | 47.2361 | -101.223 | 1987 | NDSWC | No | ||||||||
CLAYTON COUNTY INTERNATIONAL PARK LAKE DAM | GA | H | Non-failure | 12/01/2015 | Hydrologic/flooding | Other | GA03698-3325 | Concrete wall of a building built into the dam collapsed from heavy rainfall event in December. | L | RE | R | N | 19 ft | 106 ac-ft | 13 acres | 1967 | GA03698 | UNKNOWN | 33.5253 | -84.3128 | 2006 | GA-SAFE DAMS PROGRAM | GA-SAFE DAMS PROGRAM | ||||||||||||||||
GEORGE H SPARKS RESERVOIR DAM #1 | GA | L | Non-failure | 01/01/2015 | Hydrologic/flooding | Spillway Chute Failure | GA01148-3326 | Significant damage to concrete spillway as result of heavy rain event | L | ER | R | NR | 40 ft | 4685 ac-ft | 222 acres | 1962 | GA01148 | UNKNOWN | 33.7583 | -84.6292 | 0 | GA-SAFE DAMS PROGRAM | GA-SAFE DAMS PROGRAM | ||||||||||||||||
GRIGGS LAKE DAM | IN | H | Non-failure | 02/25/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | IN00722-3327 | Sinkhole is located directly over the CMP principal spillway pipe, bout 1/3 of the way down the back slope of the dam. It is approximately 8 feet in diameter and 8 feet deep to the exposed pipe. | Owner immediately started pumping the lake down with a 6 inch pump | P | RE | R | NR | 22 ft | 82 ac-ft | 6 acres | 1964 | IN00722 | UNNAMED TRIBUTARY THOMPSON DITCH | 39.4406 | -87.3558 | 0 | IDNR | IDNR | ||||||||||||||
HILLSBORO | WI | H | Non-failure | 08/28/2018 | Hydrologic/flooding | Overtopping | WI00320-3329 | Earthen embankment overtopped causing extreme scour and erosion next to left wing wall | Yes | L | PGRE | R | Y | 24 ft | 430 ac-ft | 42 acres | 1854 | WI00320 | WEST BRANCH BARABOO R. | 43.6487 | -90.3374 | 1967 | WIDNR | 1 day | Unknown | WI DNR | |||||||||||||
CRANBERRY CREEK FLOWAGE | WI | H | Failure | 06/17/2018 | Hydrologic/flooding | Overtopping | WI00457-3330 | Complete failure of left embankment and damage to principal concrete spillway with some uplift | Yes | 0 | 0 | 0 | Unknown | Roads | Damage to county highway immediately downstream. | L | RE | R | Y | 12 ft | 2500 ac-ft | 346 acres | 1969 | WI00457 | CRANBERRY CREEK | 46.4524 | -91.9517 | 0 | WIDNR | Unknown | WI DNR | ||||||||
RADIGAN | WI | L | Failure | 06/17/2018 | Hydrologic/flooding | Overtopping | Debris Clogging | WI00257-3331 | Lack of gate operation likely contributed to increased pressure and pool elevation | No | 0 | 0 | 0 | 0 | Dam didn't have an EAP | L | PGRE | R | N | 12 ft | 420 ac-ft | 150 acres | 1938 | WI00257 | UPPER TAMARACK RIVER | 46.2174 | -92.2255 | 1964 | WIDNR | Unknown | WI DNR | ||||||||
MLSNA | WI | H | Failure | 08/28/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00403-3332 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | Unknown | Unknown | Unknown | Roads, Bridges | Significant town road, culvert, and bridge damages. Major streambank, pasture and ag field damages, personal driveways, culverts and fencing. Didn't activate EAP because failure occurred quickly overnight. People were evacuated, numbers unknown. Assuming some wet basements. | L | RE | CD | Y | 35 ft | 257 ac-ft | 18 acres | 1956 | WI00403 | TR KNAPP CREEK | 43.7122 | -90.7524 | 0 | WIDNR | 1 day | Yes | WI DNR | ||||||
WEST FORK KICKAPOO 1 | WI | H | Non-failure | 08/28/2018 | Hydrologic/flooding | Erosion | WI00418-3333 | Deep erosional scarp developed along left groin, opposite side of auxiliary spillway | Yes | 0 | Unknown | Unknown | Unknown | Roads, Bridges | Significant town road, culvert, and bridge damages. Major streambank, pasture and ag field damages, personal driveways, culverts and fencing. Didn't activate EAP because failure occurred quickly overnight. People were evacuated, numbers unknown. Assuming some wet basements. | L | RE | CR | Y | 63 ft | 2345 ac-ft | 51 acres | 1969 | WI00418 | WEST FORK KICKAPOO | 43.6889 | -90.7987 | 2000 | WIDNR | 1 day | Yes | WI DNR | |||||||
CARDINAL LAKE DAM | GA | L | Non-failure | 01/01/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | GA00581-3343 | Flow through principal spillway displaced outlet end of pipe, creating hole in downstream slope. | No | Unknown | Unknown | Unknown | Unknown | Unknown | Road over dam closed and temporary repairs done quickly. Lake drain then opened to keep lake low. | Auxiliary spillway was already in very poor condition. Program in process of reclassifying the dam. | P | RE | R | NR | 27 ft | 380 ac-ft | 34 acres | 1959 | GA00581 | KNOX BRANCH | 33.975 | -84.13 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | |||||||
PENDLETON LAKE DAM | GA | H | Non-failure | 12/29/2018 | Hydrologic/flooding | Debris Clogging | Insufficient Spillway Capacity | Spillway Pipe Failure | GA05300-3344 | Amid rampant rains, riser clogged. Debris was cleared, but CMP pipe failed at downstream elbow. | No | Unknown | Unknown | Unknown | None | Unknown | Program required lake lowered 4' below NP and affected area taped off. Diesel pumps were employed. | Temporarily repaired. Permanent repair plans are currently under Program review. | P | RE | R | NR | 14 ft | 140 ac-ft | 13 acres | 1991 | GA05300 | FLAT CREEK | 33.4821 | -84.5683 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | |||||
Graphic Packaging Sludge Drying Basin Dam | GA | L | Failure | 09/29/2019 | Unknown | Unknown | GA00000-3345 | Dam was built several months ago without plans. Facility wants to re-build. | No | 0 | Unknown | Unknown | Unknown | Unknown | Unknown | Facility had an engineer come out for cost estimate to repair and will have more come out. | P | RE | O | NR | 12 ft | 30 ac-ft | 1 acres | 2019 | GA00000 | 32.78 | -83.63 | 0 | Yes | GA Safe Dams Program | |||||||||
CHEROKEE COUNTRY CLUB LAKE DAM # 2 MIDDLE LAKE | GA | H | Non-failure | 04/19/2019 | Hydrologic/flooding | Sinkhole | Insufficient Spillway Capacity | Spillway Pipe Failure | GA03845-3346 | Amid rampant rains, two sinkholes formed above spillway alignment on downstream slope. | Yes | Unknown | Unknown | Unknown | None | Unknown | Program required lake lowered 2' below NP and affected area taped off. 3" pumps were employed. | Temporarily repaired. Permanent repair plans are currently under Program review. | P | RE | R | Y | 33 ft | 34 ac-ft | 2 acres | 1966 | GA03845 | UNKNOWN | 33.9951 | -84.3639 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | |||||
HEADS CREEK RESERVOIR DAM | GA | H | Non-failure | 04/19/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | High Reservoir Level | GA01465-3347 | Scour damage due to major rainfall and spillway's left sidewall being overtopped in high flows. | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Consultant was hired fairly quickly and called the Program. Consultant inspected the dam on 5/1/19. | Program approved temporary plans. Construction completed in 4/20. | L | RE | S | Y | 31 ft | 7588 ac-ft | 300 acres | 1963 | GA01465 | HEAD'S CREEK | 33.2804 | -84.3744 | 1983 | GA-SAFE DAMS PROGRAM | Unknown | GA Safe Dams Program | ||||||
LAKE ROCKDALE DAM | GA | H | Non-failure | 04/30/2019 | Hydrologic/flooding | Erosion | GA01282-3348 | Spillway system overwhelmed from heavy rains. Excess flow created erosion along spillway pipe. | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Program visited site. | P | RE | R | N | 33 ft | 1579 ac-ft | 75 acres | 1961 | GA01282 | UNKNOWN | 33.7042 | -83.9797 | 0 | GA-SAFE DAMS PROGRAM | Unknown | GA Safe Dams Program | ||||||||
JORDAN POND DAM | NY | S | Non-failure | 01/01/2019 | Seepage/internal Erosion | Excessive/increased Seepage | Piping | Settlement | NY13562-3163 | Increased seepage at the toe and a depression at the crest were observed. | No | 0 | 0 | 0 | 0 | Water levels at the dam as well as a downstream dam were lowered, and the seepage stopped. | The piping appears to have been related to an abanonded pipe in the dam. Report expected from owner's consultant. | P | CNRE | R | Y | 10 ft | 37 ac-ft | 11 acres | 1986 | NY13562 | CLOVE CREEK | 41.4511 | -73.8672 | 0 | NYS DEC | 4 weeks | NY DEC | ||||||
LAKE NANCY DAM | NY | L | Non-failure | 09/06/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Piping | NY01065-3164 | Increased seepage from earth (possibly formerly timber crib) dam. Whirlpool in reservoir. Reservoir was lowered and seepage was sealed with grouting program | No | Attempt to seal whirlpool were unsuccesful. Lake was drained with pumps and embankment voids were filled with grout | L | RE | R | NR | 17 ft | 1093 ac-ft | 62 acres | 1977 | NY01065 | LADMAN CREEK | 43.1141 | -74.0097 | 0 | NYS DEC | 1 week | No | NY DEC | |||||||||||
HOOSAC SCHOOL DAM | NY | S | Non-failure | 07/01/2017 | Hydrologic/flooding | Overtopping | Erosion | NY01360-3165 | Short, Intense rainfall event caused overtopping of dam and erosion of downstream slope | No | P | RE | R | Y | 25 ft | 103 ac-ft | 10 acres | 1950 | NY01360 | PINE VALLEY BROOK | 42.8557 | -73.3452 | 0 | NYS DEC | 1 week | No | NY DEC | ||||||||||||
NORWOOD | NY | H | Non-failure | 09/06/2018 | Seepage/internal Erosion | Excessive/increased Seepage | NY00743-3166 | Increased seepage from concrete dam required grouting to seal | No | P | CNERPG | H | Y | 24 ft | 1736 ac-ft | 350 acres | 1928 | NY00743 | RAQUETTE RIVER | 44.7433 | -75.0054 | 0 | NYS DEC | 4 months | Yes | NY DEC | |||||||||||||
PUTNAM LAKE DAM | NY | H | Non-failure | 09/08/2017 | Deterioration Or Poor Condition | Erosion | Spillway Pipe Failure | NY00090-3167 | Galvanized metal pipe that comprised downstream end of LLO was in a severely deteriorated condition. When LLO was activated, seepage out of the pipe eroded the downstream slope of the embankment. Area was excavated and a new pipe was installed downstream of the gate chamber Embankment was backfilled. | L | RE | PR | Y | 24 ft | 2510 ac-ft | 232 acres | 1931 | NY00090 | BOG BROOK | 41.4575 | -73.5433 | 0 | NYS DEC | 2 weeks | No | NY DEC | |||||||||||||
BELMEAR LAKE | CO | S | Non-failure | 05/01/2017 | Deterioration Or Poor Condition | Piping | Sinkhole | CO02059-3168 | 5-foot diamter sinkhole over outlet works. Owner responded and used a siphon to drain the reservoir before it progressed to failure | No | Reservoir was given zero storage restriction. The outlet works were rehabilitated and reservoir has returned to full storage February 2019. | P | RE | IP | Y | 30 ft | 647 ac-ft | 30 acres | 1912 | CO02059 | DISAPPOINTMENT CREEK-TR | 37.8136 | -108.353 | 0 | DWR | No | CO DWR | ||||||||||||
JEFFERSON LAKE | CO | H | Non-failure | 06/22/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | CO00363-3169 | Owners staff observed a small whirlpool in the reservoir at the reservoir edge adjacent to the dam. Possible contact erosion PFM. Resulted in an emergecy field investigation and a reservoir storage restriction. | Yes | restrictred water level and observation | Resulted in an emergency field investigation and a reservoir storage restriction. Owner is working with Engineer to develop a repair plan | L | RE | S | Y | 33 ft | 3417 ac-ft | 126 acres | 1951 | CO00363 | JEFFERSON CREEK | 39.4506 | -105.863 | 0 | DWR | 14:20 | 2 days | Yes | CO DWR | |||||||||
BRISTOL HEAD #1 | CO | L | Non-failure | 07/04/2017 | Deterioration Or Poor Condition | Piping | Sinkhole | CO00984-3170 | Small seep pond below Santa Maria Reservoir with a relatively large outlet conduit. Conduit failed just behind the upstream valve and drained most of the reservoir through the conduit uncontrollably. | No | Roads | work with owner to remove valve and allow reservoir to drain full and stream to run through the conduit until such time as the outlet works can be removed and replaced | Currently has zero storage restriction | P | RE | I | NR | 15 ft | 200 ac-ft | 16 acres | 1921 | CO00984 | SEEPAGE CREEK | 37.75 | -107.04 | 0 | DWR | No | CO DWR | ||||||||||
ALBERTA PARK | CO | H | Non-failure | 07/18/2017 | Manmade Action | Other | CO00762-3171 | While drilling in the embankment with hollow stem augers an apparent connection was made with a pervious seam and elevated pressures associated with the drilling process caused a surge of muddy seepage and an increase in volume of seepage from a know exit point. | Yes | Drill was stopped, the hole was grouted and the situation returned to "normal". Reservoir was lowered and an emergency seepage collection system and stability butress were constructed. | developed a plan to install a filter and butress | S | RE | FR | Y | 32 ft | 812 ac-ft | 39 acres | 1953 | CO00762 | PASS CREEK-TR | 37.4703 | -106.766 | 0 | DWR | 2 days | Yes | CO DWR | |||||||||||
QUEEN | CO | S | Non-failure | 07/20/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | CO02026-3172 | Owner observed excessive seepage from outlet works headwall. Lowered reservoir and found 2-ft diameter piping hole in embankment. Owner backfilled hole and called an engineer who reported the incident to a dam safety engineer. reservoir restriction ensued | No | once regulators notified a storage restriction was implemented | Restriction still being enforced. Owner working with engineer to develop a repair plan. Likely including a cut and cover outlet replacement in spring 2019 | P | RE | FIR | Y | 25 ft | 32690 ac-ft | 1930 acres | 1896 | CO02026 | ARKANSAS RIVER-OS | 38.2717 | -102.636 | 0 | DWR | Yes | CO DWR | |||||||||||
WILLOW CREEK | CO | H | Non-failure | 08/19/2017 | Manmade Action | Other | CO01036-3173 | During construction the downstream dewatering pumps quit due to a generator malfunction. Phreatic surface rose and a crack appeared in a construction cut slope on the downstream face. | Yes | Quickly installed a temporary buttress, got pumps running and initiated a more diligent monitoring plan for the pumps, generators and slopes. | Initiated the construction EAP at an unusual condition level. EAP worked well and brought parties together. | S | RE | R | Y | 100 ft | 36900 ac-ft | 1011 acres | 1966 | CO01036 | WILLOW CREEK | 40.7917 | -106.947 | 0 | DWR | Yes | |||||||||||||
SILVER LAKE DAM | MO | H | Non-failure | 05/01/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | MO31851-3174 | Elevated seepage rate through dam caused erosion to occur on the face of the dam. | No | 0 | 0 | 0 | None | None | Owners reduced lake level with siphons until repair was made. | P | RE | T | Y | 80 ft | 4900 ac-ft | 118 acres | 1981 | MO31851 | DITCH CREEK | 38.1893 | -90.7567 | 0 | DAM AND RESERVOIR SAFETY PROG | 2 weeks | No | MO DNR | ||||||
FINGER LAKES DAM SOUTH | MO | H | Non-failure | 01/05/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | MO12212-3175 | No | 0 | 0 | 0 | None | None | Owners reduced lake level with siphons until repair was made. | S | RE | R | Y | 44 ft | 585 ac-ft | 79 acres | 0 | MO12212 | ROCKY FORK CK. | 39.0871 | -92.3161 | 0 | DAM AND RESERVOIR SAFETY PROG | 2 weeks | No | MO DNR | ||||||||
LOWER ALFORD LAKE | PA | H | Non-failure | 06/26/2006 | Hydrologic/flooding | Overtopping | Erosion | PA00053-3206 | OVERTOPPING OF STONE MASONRY DAM RESULTED IN EROSION AT THE TOE. | No | 0 | 0 | AN EMERGENCY PERMIT WAS ISSUED FOR THE REPAIRS, WHICH WERE TO BEGIN IN SEPTEMBER 2006. | P | MSREST | R | Y | 14 ft | 315 ac-ft | 34 acres | 1919 | PA00053 | MARTINS CREEK | 41.8069 | -75.7742 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 3 DAYS | PA Dam Safety | ||||||||||
LOWER ALFORD LAKE | PA | H | Non-failure | 03/11/2011 | Seepage/internal Erosion | Excessive/increased Seepage | PA00053-3207 | CALL FROM A CONCERNED CITIZEN REGARDING A POTENTIAL PROBLEM. SEEPAGE AND SPILLWAY FLOW OBSERVED. | No | 0 | 0 | DEP INSPECTOR VISIT TO DAM ON THE NEXT MORNING CONFIRMED NO CHANGE IN PRE-EXISTING SEEPAGE. | THIS INCIDENT WAS NOT CRITICAL, BUT DAM NEEDS REPAIRS AND POSES A THREAT TO DOWNSTREAM HOMES. | P | MSREST | R | Y | 14 ft | 315 ac-ft | 34 acres | 1919 | PA00053 | MARTINS CREEK | 41.8069 | -75.7742 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | ||||||||||
MARTINS CREEK (PA-467) | PA | H | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | Erosion | PA00054-3224 | OVERTOPPING IN TROPICAL STORM DAMAGED RIGHT SIDE OF SPILLWAY, TOP OF DAM, AND DOWNSTREAM SLOPE. | TS Lee | Yes | 0 | 83 | RIGHT SIDE OF SPILLWAY REPAIRED WITH CONCRETE WALL AND SPLASH PAD AS PER 2013 INSPECTION. | DAM OVERTOPPED BY 4 TO 6 INCHES. EROSION GULLY ON DOWNSTREAM SLOPE WAS 6 FT WIDE AND 4 FT DEEP. | L | RE | C | Y | 52 ft | 180 ac-ft | 1 acres | 1967 | PA00054 | TR MARTINS CREEK | 41.7647 | -75.7467 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | ||||||||
BIG ELK LAKE | PA | S | Non-failure | 06/26/2006 | Hydrologic/flooding | Overtopping | Erosion | PA00056-3204 | OVERTOPPING OF DAM DURING EXTREME RAINFALL CAUSED "SCOUR OR SINKHOLE" IN TOP OF DAM | Yes | 0 | 15 | 6 | 0 | AN EMERGENCY PERMIT WAS ISSUED TO REPAIR THE DAM. | EAP INDICATES 15 PEOPLE AT RISK FROM FAILURE. EAP WAS IMPLEMENTED WITH EVACULATIONS. | P | MSREST | RS | Y | 12 ft | 740 ac-ft | 79 acres | 1860 | PA00056 | ELK LAKE STREAM | 41.7528 | -75.9547 | 2006 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 3 DAYS | PA Dam Safety | |||||||
BIG ELK LAKE | PA | S | Non-failure | 03/28/2011 | Seepage/internal Erosion | Excessive/increased Seepage | PA00056-3205 | PA DAM SAFETY INFORMED OF CLEAR SEEPAGE EXITING ON LEFT SIDE OF A SPILLWAY. | No | 0 | 0 | 0 | DEPRESSION AREA ISOLATED BY COFFER DAM AND BACKFILLED WITH CONCRETE AS A TEMPORARY REPAIR. | "NOT AN IMMINENT EMERGENCY SITUATION" | P | MSREST | RS | Y | 12 ft | 740 ac-ft | 79 acres | 1860 | PA00056 | ELK LAKE STREAM | 41.7528 | -75.9547 | 2006 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 2 DAYS | PA Dam Safety | |||||||||
SIX MILE - MAIN | CO | H | Non-failure | 09/14/2013 | Hydrologic/flooding | Spillway Erosion/head Cutting | CO00250-2068 | uncontrolled inflows, spillway erosion - Colorado Flooding of 9-13 | P | RE | IR | Y | 52 ft | 2186 ac-ft | 124 acres | 1892 | CO00250 | LITTLE DRY CREEK-TR | 40.0675 | -105.218 | 0 | DWR | |||||||||||||||||
VIELE LAKE | CO | L | Non-failure | 09/14/2013 | Hydrologic/flooding | High Reservoir Level | CO00257-2069 | spillway flows (report of dam failing) - Colorado Flooding of 9-13 | L | RE | RFC | NR | 24 ft | 240 ac-ft | 20 acres | 1967 | CO00257 | SOUTH BOULDER CREEK-TR | 39.9733 | -105.249 | 0 | DWR | |||||||||||||||||
GAYNOR | CO | S | Non-failure | 09/18/2013 | Seepage/internal Erosion | Piping | CO00284-2065 | Reported by owner, piping around outlet works. Colorado Flooding of 9-13 | L | RE | IR | Y | 10 ft | 840 ac-ft | 70 acres | 0 | CO00284 | BOULDER CREEK-OS | 40.1225 | -105.11 | 1960 | DWR | |||||||||||||||||
GAYNOR | CO | S | Non-failure | 11/28/2012 | Seepage/internal Erosion | Excessive/increased Seepage | CO00284-2089 | Previously unobserved seepage form beneath outlet structure. Sealed temporrily and heightened survelience until repairs are made. | L | RE | IR | Y | 10 ft | 840 ac-ft | 70 acres | 0 | CO00284 | BOULDER CREEK-OS | 40.1225 | -105.11 | 1960 | DWR | |||||||||||||||||
MONTGOMERY | CO | H | Non-failure | 06/05/2013 | Seepage/internal Erosion | Excessive/increased Seepage | CO00372-2092 | New seepage (near 1 cfs) at toe of rockfill dam. Increased monitoring, performed failure modes analysis. It was hypothesized that it was melting ice from within the rockfill of this high altitude dam after an abnormally wet and cold spring. | L | ER | S | Y | 112 ft | 6100 ac-ft | 95 acres | 1956 | CO00372 | MIDDLE FORK S. PLATTE | 39.3533 | -106.074 | 0 | DWR | |||||||||||||||||
MANITOU | CO | H | Non-failure | 09/18/2013 | Seepage/internal Erosion | Excessive/increased Seepage | CO00426-2071 | new seepage reported - Colorado Flooding of 9-13 | L | RE | S | Y | 124 ft | 1100 ac-ft | 27 acres | 1971 | CO00426 | NORTH FORK FRENCH CREEK | 38.8767 | -104.994 | 1998 | DWR | |||||||||||||||||
MODEL | CO | L | Failure | 08/08/2013 | Seepage/internal Erosion | Piping | CO00542-2091 | Embankment failure due to erosion piping. An 8-ft-square erosion pipe formed in the embankment, draining the reservoir but not fully breaching the dam. | The failure went unnoticed due to it's remote location and other incidents happening at about the same time. The date of the actual failure is estimated. | RE | IP | NR | 39 ft | 29943 ac-ft | 420 acres | 1921 | CO00542 | BLACK HILLS ARROYO-TR | 37.3283 | -104.389 | 0 | DWR | |||||||||||||||||
OROVILLE | CA | H | Non-failure | 02/07/2017 | Deterioration Or Poor Condition | Erosion | CA00035-3097 | Service and emergency spillway failures | Yes | 188000 | Unknown | None | Unknown | Long-term systemic failure of the CA DWR, regulatory, and general industry practices to recognize and address inherent spillway design and construction weaknesses, poor bedrock quality, and deteriorated service spillway chute conditions. Reconstruction of the flood constrol spillway completed November 1, 2018. Incident Description from Independent Forensic Team Report, Oroville Dam Spillway Incident, dated January 5, 2018 | S | ERRE | CHIRS | Y | 770 ft | 3540000 ac-ft | 15800 acres | 1968 | CA00035 | FEATHER RIVER | 39.5388 | -121.485 | 0 | DWR, SAFETY OF DAMS | 2 days - Evacation order initiated February 12, 2017 and the order lifted February 14, 2017 | Yes | |||||||||
TWENTY-THREE MILE DAM | NV | L | Failure | 02/08/2017 | Hydrologic/flooding | Overtopping | Reservoir Overfilling | NV00110-3099 | rain on snow event that cause widespread flooding of a 680 square mile watershed. Flood overwhelmed the reservoir and spillway. Reservoir was also iced over prior to flood event. | No | 0 | Unknown | Unknown | Unknown | Roads, Railroads | Unknown | 8700 ac-ft | currently under litigation | P | RE | CIP | NR | 47 ft | 8700 ac-ft | 100 acres | 0 | NV00110 | THOUSAND SPRINGS CREEK | 41.53 | -114.363 | 0 | NEVADA DWR | Yes | ||||||
CASSVILLE DAM | NJ | S | Failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00606-2864 | overtopped, embankment failure | Irene | No | 0 | Roads | 0 ac-ft | County Road (embankment) closed | P | PGRE | R | Y | 6 ft | 0 ac-ft | 14 acres | 0 | NJ00606 | SMALL BRANCH TOMS RIVER | 40.1107 | -74.3889 | 0 | NJDEP | NJ DEP | ||||||||||
LAKE DOWNS DAM | TX | Not Available | Non-failure | 08/29/2017 | Hydrologic/flooding | Spillway Deficiency | TX00038-2866 | SPILLWAY DAMAGE | Harvey | P | RE | R | N | 26 ft | 65 ac-ft | 3 acres | 1963 | TX00038 | TR-BIG SANDY CREEK | 30.6944 | -94.74 | 1983 | TCEQ | TX CEQ | |||||||||||||||
LAKE DOGWOOD DAM | TX | Not Available | Non-failure | 05/30/2016 | Hydrologic/flooding | Spillway Deficiency | TX00169-2868 | SEVERE SPILLWAY DAMAGE | P | RE | R | NR | 22 ft | 664 ac-ft | 60 acres | 1965 | TX00169 | TR-HURRICANE CREEK | 31.8441 | -95.4949 | 0 | TCEQ | |||||||||||||||||
VAN LAKE DAM | TX | Not Available | Non-failure | 12/29/2015 | Structural Stability | Sliding | TX00304-2869 | DOWNSTREAM SLOPE SLIDE | L | RE | S | NR | 36 ft | 2050 ac-ft | 0 acres | 1949 | TX00304 | TR-VILLAGE CREEK | 32.5483 | -95.5883 | 0 | TCEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 66 DAM | TX | Not Available | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00432-2870 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 24 ft | 284 ac-ft | 12 acres | 1964 | TX00432 | TR-WHITE ROCK CREEK | 31.9827 | -96.8903 | 0 | TCEQ | |||||||||||||||||
LAKE REDSTONE | WI | H | Non-failure | 12/07/2015 | Structural Stability | Cracking | WI00707-2853 | Rec'd call from local resident about fracture in bedrock at vertical face at principal spillway (see photos). Appears that boulder could break off face. No immediate concerns to dam noted. Recommended Sauk Cnty continue to monitor and will need to reinspect if/when boulder breaks off. See follow-up inspection report. NRCS did conductivity resistance testing in channel from lake to spillway (still awaiting results). | L | PGRE | R | Y | 50 ft | 15200 ac-ft | 612 acres | 1967 | WI00707 | BIG CREEK | 43.5867 | -90.0871 | 0 | WIDNR | WI DNR | ||||||||||||||||
KERRVILLE PONDING DAM | TX | Not Available | Non-failure | 12/31/1984 | Hydrologic/flooding | Overtopping | TX04650-2795 | OVERTOPPED | L | REOT | ISR | Y | 21 ft | 2499 ac-ft | 106 acres | 1980 | TX04650 | GUADALUPE RIVER | 30.0535 | -99.165 | 0 | TCEQ | TX DEQ | ||||||||||||||||
BASS HAVEN LAKE DAM | TX | Not Available | Failure | 08/17/1984 | Unknown | Unknown | TX05119-2797 | BREACHED | P | RE | T | NR | 30 ft | 750 ac-ft | 35 acres | 1974 | TX05119 | TR-COON CREEK | 32.0011 | -95.9015 | 1986 | TCEQ | TX DEQ | ||||||||||||||||
CADE LAKE NUMBER 3 DAM | TX | Not Available | Non-failure | 03/27/1984 | Unknown | Spillway Deficiency | TX04210-2798 | S.S. FAILED | L | RE | R | N | 20 ft | 584 ac-ft | 0 acres | 1972 | TX04210 | SECOND DAVIDSON CREEK | 30.5039 | -96.7656 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LAKELAND LAKE DAM | TX | Not Available | Non-failure | 04/12/1983 | Structural Stability | Sliding | TX04778-2799 | SLIDE | L | RE | R | N | 9 ft | 192 ac-ft | 22 acres | 1925 | TX04778 | OFF CH-HAGGERTY BRANCH | 30.1906 | -95.1764 | 0 | N | TX DEQ | ||||||||||||||||
CANTON OLD CITY LAKE DAM | TX | Not Available | Non-failure | 12/03/1982 | Deterioration Or Poor Condition | Animal Activity | TX04400-2800 | ANIMAL BURROWS | L | RE | R | Y | 18 ft | 220 ac-ft | 17 acres | 1930 | TX04400 | TR-DRY CREEK | 32.5584 | -95.872 | 1984 | TCEQ | TX DEQ | ||||||||||||||||
GRACE LAKE DAM NO 1 | TX | Not Available | Non-failure | 06/01/1982 | Unknown | Spillway Deficiency | TX03192-2801 | E.S. FAILED | P | RE | S | NR | 39 ft | 577 ac-ft | 27 acres | 1961 | TX03192 | TR-WEST FORK TRINITY RIVER | 33.292 | -97.9597 | 0 | TCEQ | TX DEQ | ||||||||||||||||
MEADOWS LAKES EAST LAKE DAM | TX | Not Available | Non-failure | 05/28/1982 | Unknown | Spillway Deficiency | TX05790-2802 | SPWY FAILED | P | RE | R | N | 19 ft | 129 ac-ft | 0 acres | 1959 | TX05790 | TR-BIG FOSSIL CREEK | 32.8332 | -97.2478 | 0 | TCEQ | TX DEQ | ||||||||||||||||
HONEY GROVE CITY LAKE DAM | TX | Not Available | Non-failure | 05/13/1982 | Deterioration Or Poor Condition | Animal Activity | TX00422-2803 | BEAVER DEN | L | RE | R | NR | 23 ft | 450 ac-ft | 37 acres | 1902 | TX00422 | TR-HONEY GROVE CREEK | 33.6029 | -95.9054 | 0 | TCEQ | TX DEQ | ||||||||||||||||
SPRING LAKE DAM | TX | Not Available | Non-failure | 04/01/1982 | Unknown | Spillway Deficiency | TX00124-2804 | SERVICE SPWY | P | RE | R | Y | 23 ft | 255 ac-ft | 14 acres | 1952 | TX00124 | TR-CANEY CREEK | 30.4049 | -95.3824 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LAKE DE LAFOSSE DAM | TX | Not Available | Non-failure | 10/13/1981 | Hydrologic/flooding | Overtopping | TX03114-2805 | OVERTOPPED | P | RE | R | Y | 24 ft | 1187 ac-ft | 0 acres | 1925 | TX03114 | DRY BRANCH | 32.7332 | -99.1085 | 1982 | TCEQ | TX DEQ | ||||||||||||||||
LAKE PENNINGTON DAM | TX | Not Available | Non-failure | 09/01/1981 | Hydrologic/flooding | Overtopping | TX00505-2807 | OVERTOPPED | P | RE | NR | 28 ft | 550 ac-ft | 30 acres | 1956 | TX00505 | LOUISVILLE CREEK | 31.1743 | -95.1855 | 0 | TCEQ | TX DEQ | |||||||||||||||||
OLD MILL DAM | TX | Not Available | Non-failure | 06/17/1981 | Unknown | Unknown | TX03446-2808 | COLLAPSED | L | CN | IS | NR | 15 ft | 108 ac-ft | 18 acres | 1963 | TX03446 | NORTH BOSQUE RIVER | 31.795 | -97.5765 | 0 | N | TX DEQ | ||||||||||||||||
MADRONA RANCH LAKE DAM | TX | Not Available | Non-failure | 06/14/1981 | Hydrologic/flooding | Overtopping | TX05851-2809 | OVERTOPPED | P | RE | R | N | 30 ft | 140 ac-ft | 0 acres | 1968 | TX05851 | RED BLUFF CREEK | 29.7406 | -98.863 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LAKE GILEAD DAM | TX | Not Available | Non-failure | 05/16/1981 | Unknown | Spillway Deficiency | TX05092-2810 | SPWY FAILURE | P | RE | IR | NR | 19 ft | 1365 ac-ft | 84 acres | 1982 | TX05092 | MILL CREEK | 32.763 | -95.2558 | 0 | TCEQ | TX DEQ | ||||||||||||||||
H & H FEED LOT DAM | TX | Not Available | Non-failure | 09/01/1980 | Hydrologic/flooding | Overtopping | TX02731-2811 | OVERTOPPED | P | RE | O | NR | 35 ft | 300 ac-ft | 16 acres | 1960 | TX02731 | COTTONWOOD CREEK | 32.4814 | -100.595 | 0 | N | TX DEQ | ||||||||||||||||
MCCARTY LAKE DAM | TX | Not Available | Non-failure | 08/04/1978 | Hydrologic/flooding | Overtopping | TX03117-2816 | OVERTOPPED | L | RE | S | Y | 50 ft | 6696 ac-ft | 263 acres | 1942 | TX03117 | SALT PRONG HUBBARD CREEK | 32.6582 | -99.3597 | 1980 | TCEQ | TX DEQ | ||||||||||||||||
RIVERWOOD ACRES DAM | TX | Not Available | Non-failure | 04/19/1977 | Hydrologic/flooding | Overtopping | TX09273-2818 | OVERTOPPED | P | RE | R | N | 13 ft | 22 ac-ft | 0 acres | 1800 | TX09273 | TR-COLORADO RIVER | 30.1242 | -97.3424 | 0 | N | TX DEQ | ||||||||||||||||
BART LAKE DAM | TX | Not Available | Non-failure | 06/13/1973 | Hydrologic/flooding | Overtopping | TX00121-2819 | OVERTOPPED | P | RE | R | NR | 20 ft | 214 ac-ft | 8 acres | 1955 | TX00121 | MCRAE CREEK | 30.3715 | -95.3387 | 0 | N | TX DEQ | ||||||||||||||||
MCRAE DAM | TX | Not Available | Non-failure | 06/13/1973 | Hydrologic/flooding | Overtopping | TX00135-2820 | OVERTOPPED | P | RE | R | Y | 20 ft | 305 ac-ft | 17 acres | 1960 | TX00135 | MCRAE CREEK | 30.3845 | -95.338 | 0 | TCEQ | TX DEQ | ||||||||||||||||
SPRING LAKE DAM | TX | Not Available | Non-failure | 06/13/1973 | Hydrologic/flooding | Overtopping | TX00124-2821 | OVERTOPPED | P | RE | R | Y | 23 ft | 255 ac-ft | 14 acres | 1952 | TX00124 | TR-CANEY CREEK | 30.4049 | -95.3824 | 0 | TCEQ | TX DEQ | ||||||||||||||||
ANZALDUAS DIVERSION | TX | Not Available | Non-failure | 02/01/1972 | Malfunction Of Equipment/gate | Gate/valve Failure | TX07036-2822 | GATE FAILURE | F | CN | CI | Y | 23 ft | 16400 ac-ft | 1287 acres | 1960 | TX07036 | RIO GRANDE | 26.137 | -98.334 | 0 | N | TX DEQ | ||||||||||||||||
COLEMAN DAM | TX | Not Available | Non-failure | 01/01/1971 | Structural Stability | Cracking | TX02152-2823 | SETTLEMENT AND CRACKING | L | RE | ISRO | Y | 90 ft | 91680 ac-ft | 1886 acres | 1966 | TX02152 | JIM NED CREEK | 32.0314 | -99.4651 | 0 | TCEQ | TX DEQ | ||||||||||||||||
ALAMO ARROYO WS SCS SITE 2 DAM | TX | Not Available | Non-failure | 01/01/1970 | Seepage/internal Erosion | Piping | TX01949-2824 | PIPING | L | RE | CI | N | 48 ft | 6144 ac-ft | 30 acres | 1960 | TX01949 | ALAMO ARROYO | 31.4051 | -105.818 | 0 | N | TX DEQ | ||||||||||||||||
VICTOR BRAUNIG DAM | TX | Not Available | Non-failure | 12/21/1969 | Structural Stability | Cracking | Sliding | TX01432-2825 | CRACKS AND SLIDES | L | RE | HRO | Y | 76 ft | 32324 ac-ft | 1350 acres | 1963 | TX01432 | ARROYO SECO | 29.2461 | -98.3645 | 0 | TCEQ | TX DEQ | |||||||||||||||
LAKE LONDA LYNN DAM | TX | Not Available | Non-failure | 05/06/1969 | Hydrologic/flooding | Overtopping | TX00034-2826 | OVERTOPPED | P | RE | R | N | 23 ft | 905 ac-ft | 53 acres | 1966 | TX00034 | SALLY CREEK | 30.5595 | -94.8821 | 2009 | TCEQ | TX DEQ | ||||||||||||||||
LAKE DONNA DAM | TX | Not Available | Non-failure | 05/06/1969 | Hydrologic/flooding | Overtopping | TX00036-2827 | OVERTOPPED | P | RE | R | NR | 21 ft | 145 ac-ft | 5 acres | 1963 | TX00036 | TR-WEST FORK DOUBLE BRANCH | 30.6864 | -94.756 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LAKE MARK DAM | TX | Not Available | Non-failure | 05/06/1969 | Hydrologic/flooding | Overtopping | TX00037-2828 | OVERTOPPED | P | RE | R | NR | 23 ft | 290 ac-ft | 10 acres | 1964 | TX00037 | TR-WEST FORK DOUBLE BRANCH | 30.6749 | -94.7424 | 0 | TCEQ | TX DEQ | ||||||||||||||||
EAGLE MOUNTAIN DAM | TX | Not Available | Non-failure | 12/01/1967 | Structural Stability | Slope Stability | TX00779-2829 | LIQUIFACTION DURING EXCAVATION | S | RE | IS | Y | 85 ft | 680335 ac-ft | 6160 acres | 1932 | TX00779 | WEST FORK TRINITY RIVER | 32.8739 | -97.461 | 0 | TCEQ | TX DEQ | ||||||||||||||||
RIPS LAKE DAM | TX | Not Available | Non-failure | 09/22/1967 | Hydrologic/flooding | Overtopping | TX03169-2830 | OVERTOPPED | P | RE | S | NR | 11 ft | 106 ac-ft | 15 acres | 1968 | TX03169 | OAK HOLLOW | 28.9694 | -98.4431 | 0 | N | TX DEQ | ||||||||||||||||
WINDTHORST LAKE DAM | TX | Not Available | Non-failure | 05/01/1965 | Seepage/internal Erosion | Piping | TX02870-2831 | PIPING | L | RE | S | Y | 32 ft | 3268 ac-ft | 0 acres | 1964 | TX02870 | EAST-LITTLE POST OAK CREEK | 33.5459 | -98.3938 | 1985 | TCEQ | TX DEQ | ||||||||||||||||
WACO LAKE | TX | Not Available | Non-failure | 10/10/1961 | Structural Stability | Sliding | TX00016-2832 | SLIDING | F | RE | SRC | Y | 140 ft | 969000 ac-ft | 7270 acres | 1965 | TX00016 | BOSQUE RIVER | 31.6 | -97.2167 | 0 | N | TX DEQ | ||||||||||||||||
ALAMO ARROYO WS SCS SITE 2 DAM | TX | Not Available | Non-failure | 01/01/1960 | Seepage/internal Erosion | Piping | TX01949-2834 | PIPING | L | RE | CI | N | 48 ft | 6144 ac-ft | 30 acres | 1960 | TX01949 | ALAMO ARROYO | 31.4051 | -105.818 | 0 | N | TX DEQ | ||||||||||||||||
LAKE FRYER DAM | TX | Not Available | Non-failure | 05/16/1947 | Unknown | Spillway Deficiency | TX03890-2835 | SPWY COLLAPSE | L | RE | R | N | 40 ft | 2792 ac-ft | 90 acres | 1939 | TX03890 | WOLF CREEK | 36.2201 | -100.64 | 1957 | TCEQ | TX DEQ | ||||||||||||||||
DIXIE LAKE DAM | TX | Not Available | Non-failure | 12/23/1939 | Hydrologic/flooding | Overtopping | TX00329-2837 | OVERTOPPED | P | RE | R | N | 17 ft | 1420 ac-ft | 122 acres | 1943 | TX00329 | LITTLE SIXMILE CREEK | 32.1281 | -94.3657 | 0 | TCEQ | TX DEQ | ||||||||||||||||
TOM MILLER DAM | TX | Not Available | Non-failure | 09/01/1915 | Hydrologic/flooding | Overtopping | TX01086-2840 | OVERTOPPED | L | CNPG | IHSR | Y | 85 ft | 115404 ac-ft | 1830 acres | 1939 | TX01086 | COLORADO RIVER | 30.2941 | -97.7864 | 2005 | TCEQ | TX DEQ | ||||||||||||||||
TOM MILLER DAM | TX | Not Available | Non-failure | 04/07/1900 | Hydrologic/flooding | Overtopping | TX01086-2841 | OVERTOPPED | L | CNPG | IHSR | Y | 85 ft | 115404 ac-ft | 1830 acres | 1939 | TX01086 | COLORADO RIVER | 30.2941 | -97.7864 | 2005 | TCEQ | TX DEQ | ||||||||||||||||
T AND P LAKE DAM | TX | Not Available | Failure | 12/30/2015 | Hydrologic/flooding | Overtopping | TX00361-2842 | 0 | none | L | RE | SR | NR | 10 ft | 76 ac-ft | 15 acres | 1915 | TX00361 | TR-RICE CREEK | 33.4661 | -94.4452 | 0 | TCEQ | TX CEQ | |||||||||||||||
LONE TREE DAM | NE | L | Failure | 05/01/2015 | Hydrologic/flooding | Overtopping | NE00815-2843 | No | 0 | 0 | 0 | 0 | Roads | Unknown | 504 ac-ft | Principal spillway removed in 1980's, so auxiliary spillway was only spillway. Reservoir maintained at higher than designed level. Resulted in severe wave erosion into crest of dam prior to breaching. Damage to downstream rural roads and downstream pastures and fencelines | P | RE | I | NR | 19 ft | 504 ac-ft | 46 acres | 1954 | NE00815 | LONE TREE CREEK | 42.9161 | -103.316 | 0 | NE DNR | No | NE DNR | |||||||
MADER DAM NO 1 | NE | L | Failure | 01/01/2012 | Seepage/internal Erosion | Piping | NE01099-2844 | No | 0 | 0 | 0 | 0 | None | Unknown | Dam had an auxiliary spillway but no principal spillway. Breach was found during routine periodic inspection in October 2014. | P | RE | I | NR | 25 ft | 238 ac-ft | 21 acres | 1947 | NE01099 | TR-INDIAN CREEK | 42.987 | -103.814 | 0 | NE DNR | No | NE DNR | ||||||||
WRIGHT S DAM | FL | S | Failure | 09/13/2017 | Hydrologic/flooding | Unknown | FL00154-2847 | Failed during Hurricane Irma | P | RE | OP | N | 25 ft | 874 ac-ft | 0 acres | 1973 | FL00154 | PETERS CREEK | 30.02 | -81.75 | 0 | FL DEP | |||||||||||||||||
WALKER DAM | FL | L | Failure | 09/13/2017 | Hydrologic/flooding | Unknown | FL00147-2848 | Failed during Hurricane Irma | P | RE | PR | N | 22 ft | 850 ac-ft | 0 acres | 1965 | FL00147 | PIGEON CREEK | 30.77 | -81.97 | 0 | ||||||||||||||||||
WILSON C. | OK | L | Failure | 06/17/2015 | Manmade Action | Overtopping | Accident Or Misoperation | OK20735-2849 | The dam was overtoped due to unpermitted spillway modification. | No | 0 | 0 | 0 | 0 | Roads | Unknown | 72 ac-ft | State HW 102 rehabilitation was completed within a week of the incident. The highway was overtoped but sustain minor damage. | P | O | NR | 24 ft | 72 ac-ft | 4 acres | 1970 | OK20735 | TR-JIM CREEK | 35.1954 | -97.0536 | 0 | OWRB | No | OK WRB | ||||||
WILLOW RIVER | MN | S | Failure | 07/13/2016 | Hydrologic/flooding | Overtopping | MN00544-2850 | Overtopping of dam due to over 7 inches of rain in less than 24 hours. Right earthen abutment failed. | No | 0 | 0 | Voluntary evacuation. Access road to right abutment was washed out. | S | PG | O | NR | 26 ft | 672 ac-ft | 84 acres | 1941 | MN00544 | WILLOW RIVER | 46.3236 | -92.8392 | 2002 | MNDNR WATERS | MNDNR | ||||||||||||
HUMBIRD | WI | L | Non-failure | 09/08/2015 | Hydrologic/flooding | Overtopping | WI00108-2851 | High water event of Sept. 6, 2015 resulted in settlement of rip rap behind both left and right abutment walls. Earthen embankments ovetopped | High water event of Sept. 6, 2015 resulted in settlement of rip rap behind both left and right abutment walls. Earthen embankments ovetopped and scour was noted downstream of dam at the roadway bridge. Administrative order issued 9-9-2015 by Stephenson to drawdown the dam and hire and engineer to repair. | L | PGRE | R | N | 19 ft | 200 ac-ft | 33 acres | 1871 | WI00108 | EAST FORK HALLS CREEK | 44.5252 | -90.892 | 1936 | WIDNR | WI DNR | |||||||||||||||
WEDGES CREEK | WI | L | Non-failure | 09/08/2015 | Hydrologic/flooding | Overtopping | WI00110-2852 | Heavy rains overtopped the embankment causing scour on d/s slope | Heavy rains in the watershed of the Wedges Creek Dam during the evening of September 6, 2015 overtopped the earthen embankment of this dam and a couple of scour area developed on the downstream side of the concrete approach walkway. These scour areas have resulted in a loss of cross-sectional area of the dam at these locations. | L | PGRE | R | Y | 14 ft | 110 ac-ft | 20 acres | 1930 | WI00110 | 44.5739 | -90.7222 | 1994 | WIDNR | WI DNR | ||||||||||||||||
TRUSSAMS POND DAM | DE | S | Non-failure | 09/30/2016 | Hydrologic/flooding | Spillway Erosion/head Cutting | Overtopping | DE00019-2861 | An extreme rainfall event resulted in excessive flow over the spillway which caused erosion behind and partial failure of the training walls. This also caused embankment erosion on left and right side of the downstream bridge. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | EAP procedures were followed but it was not "officially" activated | S | REPG | R | N | 12 ft | 665 ac-ft | 38 acres | 0 | DE00019 | JAMES BRANCH | 38.5258 | -75.5117 | 0 | DNREC | 18:00 | 1 day | Yes | Dam is located at a State Park. DelDOT and State Park staff were on site during the incident. | ||||
DUTCH FORK | PA | H | Non-failure | 09/17/2004 | Hydrologic/flooding | Spillway Chute Failure | PA00490-3208 | MORE THAN 6-INCHES RAIN FROM HURRICANE IVAN UNDERMINED CONCRETE SPILLWAY SLABS | Ivan | No | 0 | 0 | THE RESERVOIR WAS DRAINED. FUNDING AND RECONSTRUCTION THE DAM TOOK 8 YEARS | DEWATERING & FISH SALVAGE CONCLUDED ON NOV. 4, 2004, UTILIZING ELECTOFISHING EQUIPMENT. | S | RE | RS | Y | 42 ft | 1850 ac-ft | 91 acres | 1959 | PA00490 | DUTCH FORK BUFFALO CREEK | 40.1458 | -80.4675 | 2012 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 8 YEARS | Yes | PA Dam Safety | ||||||||
UPPER KITTANNING | PA | H | Non-failure | 05/20/1894 | Hydrologic/flooding | Overtopping | Erosion | PA00530-3178 | OVERTOPPING ERODED DOWNSTREAM SLOPE. GULLEYS FORMED UP TO 10-FT DEEP. | No | 0 | 0 | DAM WAS REPAIRED AFTER THE FLOOD AND REMAINED IN SERVICE. | 0 ac-ft | WATER IMPOUNDED UPSTREAM BY SAW MILL RUBBISH MAY HAVE SUDDENLY RELEASED. | L | RE | S | Y | 45 ft | 212 ac-ft | 12 acres | 1887 | PA00530 | BURGOON RUN | 40.4969 | -78.4789 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | Yes | PA Dam Safety | |||||||
LAKE DALECARLIA | IN | Failure | 09/01/2008 | Hydrologic/flooding | Overtopping | IN00000-148 | No | precise date unknown. ) The embankment overtopped during a significant rainfall event in September and the downstream slope failed resulting in a major emergency response and lowering of the pool level. | RE | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||
HIDDEN VALLEY LAKE DAM | IN | H | Non-failure | 12/06/2011 | Structural Stability | Slope Stability | IN00100-1210 | slump on the downstream slope | Yes | 0 | 0 ac-ft | Additional slide on downstream slope noted on 2/13/12 - see attached memo. | P | RE | R | N | 135 ft | 7750 ac-ft | 139 acres | 1973 | IN00100 | DOUBLELICK RUN | 39.1547 | -84.8364 | 0 | IDNR | |||||||||||||
GLENDALE LAKE DAM | IN | S | Failure | 05/30/2011 | Seepage/internal Erosion | Piping | IN00320-1041 | Substantial internal erosion failure. A large void exists under the left end of the spillway system. No foundation material remains under a large portion of the concrete spillway. | No | 0 | 0 | None | 28 ac-ft | There is footage on You-tube. | P | RE | R | N | 14 ft | 54 ac-ft | 6 acres | 1945 | IN00320 | UNNAMED TRIBUTARY DEER CREEK | 40.5 | -85.6708 | 0 | IDNR | |||||||||||
FOWLER PARK LAKE DAM | IN | L | Non-failure | 07/17/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | IN00462-1720 | Corrugated metal pipe may have deteriorated to the point where soil is entering the pipe and/or the inlet box connection to the pipe has leaked allowing water to travel along the outside of the conduit removing embankment material | No | 0 | 0 | None | L | RE | R | N | 22 ft | 253 ac-ft | 22 acres | 1958 | IN00462 | UNNAMED TRIBUTARY HONEY CREEK | 39.3386 | -87.3739 | 0 | IDNR | |||||||||||||
ALLENDALE LAKE DAM | IN | L | Non-failure | 05/08/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | IN03121-1602 | A sinkhole in the embankment developed over the principal spillway pipe. After the pipe was camera inspected, the engineer determined that the metal pipe needed to be replaced immediately | No | 0 | The owner has been keeping the lake level below the pipe inlet. | P | RE | R | N | 32 ft | 135 ac-ft | 8 acres | 1981 | IN03121 | UNNAMED TRIBUTARY BUCKHART CREEK | 39.4039 | -86.1231 | 0 | IDNR | |||||||||||||
INDIAN HEAD LAKE | IN | S | Non-failure | 06/01/2010 | Hydrologic/flooding | Overtopping | IN03388-1045 | A heavy rainfall event overtopped this dam causing heavy damage to the downstream slope. | Under the direction of a private engineer, the dam owner, a lake owners association constructed a short term response, a bypass channel to lower the normal level of the impounded water. May 2011 - state decommissioned the dam under emergency order. See attached email for more information. | RE | R | 20 ft | 0 ac-ft | 0 acres | 1979 | IN03388 | UNNAMED TRIBUTARY WHITE LICK CREEK | 40 | -86 | 0 | |||||||||||||||||||
WHITE TAIL LAKE DAM | IN | S | Non-failure | 04/03/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | IN03497-1560 | progressive failure of its principal spillway pipe CMP deteriorated creating sinkhole on d/s slope | No | 0 | 0 | None | As of incident date, IN DNR attempting to contact the dam owner to rectify the situation. | P | RE | R | N | 27 ft | 509 ac-ft | 32 acres | 1964 | IN03497 | STONE COE CREEK | 38.4172 | -87.225 | 0 | IDNR | ||||||||||||
COAL WASTE IMPOUNDMENT | KY | Failure | 12/01/1981 | Unknown | Unknown | KY00000-187 | No | 1 | precise date unknown. Fatalities: 1 - Nellie Woolums | 0 ft | 0 ac-ft | 0 acres | 0 | KY00000 | 0 | 0 | 0 | ||||||||||||||||||||||
ELKHORN LAKE DAM | KY | H | Non-failure | 11/10/2012 | Seismic | Cracking | KY00113-1480 | Magnitude 4.3 earthquake resulted in potential new cracks on the structure and increased seepage at the toe, right side. | No | 0 | 0 | None | none | 0 ac-ft | The owner will be monitoring these changes and KY dam safety recommend that they hire a geotech to investigate further. | L | PG | S | NR | 40 ft | 0 ac-ft | 16 acres | 1930 | KY00113 | ELKHORN CREEK | 37.1683 | -82.635 | 0 | DOW | ||||||||||
DUNHAM LAKE DAM | KY | L | Non-failure | 05/02/2010 | Unknown | Under Investigation | KY00165-681 | Other | 0 | 0 | Roads | U.S. 68 CLOSED FOR 24 HOURS | L | RE | R | NR | 25 ft | 0 ac-ft | 17 acres | 1955 | KY00165 | LITTLE BARREN RIVER | 36.9908 | -85.6144 | 0 | DOW | |||||||||||||
HEUVELTON | NY | S | Failure | 06/07/2011 | Malfunction Of Equipment/gate | Gate/valve Failure | NY00411-1040 | A rubber bladder gate was punctured and deflated. | Yes | 0 | 0 | None | DEC-fisheries(?) investigating potential environmental damage. | P | CNPG | H | Y | 34 ft | 405 ac-ft | 239 acres | 1923 | NY00411 | OSWEGATCHIE RIVER | 44.6177 | -75.4048 | 1993 | NYS DEC | ||||||||||||
GOSHEN RESERVOIR #1 DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00488-1291 | spillway channel erosion, left embankment. Hurricane Irene. | Irene | No | L | RE | S | Y | 37 ft | 867 ac-ft | 66 acres | 1963 | NY00488 | TR-RIO GRANDE CREEK | 41.3833 | -74.3333 | 0 | NYS DEC | |||||||||||||||
ELK LAKE DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00520-1310 | Under construction -Damaged. Temporary coffer dam was overtopped. A large bog has floated into the existing spillway partially blocking the spillway. The basin received 10" on rain over approx. 6 hrs. Hurricane Irene | Irene | No | P | ERTC | R | N | 23 ft | 4200 ac-ft | 525 acres | 1965 | NY00520 | TR-THE BRANCH | 44.0225 | -73.8308 | 0 | NYS DEC | |||||||||||||||
BATAVIA KILL WATERSHED DAM #4A | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00570-1295 | Erosion observed on both auxiliary spillways. Hurricane Irene. | Irene | L | RE | C | Y | 77 ft | 2928 ac-ft | 10 acres | 1967 | NY00570 | BATAVIA KILL | 42.3322 | -74.2478 | 2013 | NYS DEC | ||||||||||||||||
MERRIEWOLD LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00572-1303 | High water from Hurricane Irene | Irene | No | L | RE | R | Y | 50 ft | 96 ac-ft | 10 acres | 1953 | NY00572 | SATTERLY CREEK | 41.3753 | -74.1853 | 0 | NYS DEC | |||||||||||||||
BATAVIA KILL WATERSHED DAM #3 | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00608-1297 | Right auxiliary spillway eroded down by 50 feet but has not reached the control section of the spillway. Hurricane Irene. | Irene | No | L | RE | C | Y | 74 ft | 1415 ac-ft | 5 acres | 1970 | NY00608 | TR-BATAVIA KILL | 42.3211 | -74.2325 | 0 | NYS DEC | |||||||||||||||
MCGREGOR DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00614-1318 | Peak flow was 4 ft over tertiary spillway. High flows scoured 6" to 12' of the sandstone bedrock at the base of the dam due to the impact of the spillway flow. Continued minor scouring beneath a number of concrete splash aprons. Hurricane Irene | Irene | No | Two people killed when car drove over washed out highway culvert downstream of the dam. | S | CB | R | Y | 37 ft | 735 ac-ft | 147 acres | 1968 | NY00614 | CHAZY RIVER | 44.8689 | -73.675 | 0 | NYS DEC | ||||||||||||||
BLENHEIM - GILBOA UPPER | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00691-1289 | Record high water behind dam. Hurricane Irene. | Irene | Yes | S | RE | HR | Y | 170 ft | 18500 ac-ft | 355 acres | 1974 | NY00691 | SCHOHARIE CREEK | 42.4451 | -74.4384 | 0 | NYS DEC | |||||||||||||||
BLENHEIM - GILBOA LOWER | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00692-1288 | Record high water levels. Hurricane Irene. | Irene | Yes | S | RECNPG | HR | Y | 165 ft | 16330 ac-ft | 430 acres | 1974 | NY00692 | SCHOHARIE CREEK | 42.4538 | -74.4555 | 0 | NYS DEC | |||||||||||||||
MINE LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00767-1306 | dam had overtopped 6-12", erosion but structurally sound. Hurricane Irene | Irene | Yes | F | CN | TSR | Y | 22 ft | 235 ac-ft | 25 acres | 1845 | NY00767 | BROOKS HOLLOW CREEK | 41.2045 | -74.0236 | 1982 | NYS DEC | |||||||||||||||
MULLET CREEK | WI | L | Non-failure | 05/28/2015 | Seepage/internal Erosion | Sinkhole | WI00933-2854 | seepage noted, sinkhole formed | seepage noted, sinkhole formed, ordered drawn down and removed until reconstructed. | S | RE | F | N | 9 ft | 1250 ac-ft | 300 acres | 1971 | WI00933 | MULLET | 43.7582 | -88.176 | 0 | WIDNR | WI DNR | |||||||||||||||
MONONAME 352 | MO | L | Non-failure | 03/15/2016 | Structural Stability | Sliding | MO30528-2855 | land slide on downstream face of dam reported | P | RE | S | NR | 26 ft | 125 ac-ft | 9 acres | 1970 | MO30528 | TR JAMES BRANCH | 37.7258 | -91.2425 | 0 | NONE | MO DNR | ||||||||||||||||
MIDDLEBROOK DEVELOP. LAKE DAM | MO | L | Non-failure | 12/29/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | MO30163-2856 | principal spillway pipe partially failed (CMP 20 approximately 20 yrs old) | No | 0 | P | RE | R | N | 49 ft | 270 ac-ft | 18 acres | 1971 | MO30163 | TR-EAST FORK BLACK RIVER | 37.5711 | -90.8693 | 2001 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||
DIETRICH RD DAM | MO | Failure | 07/20/2015 | Seepage/internal Erosion | Piping | MO00000-2857 | piping occurred around principle spillway eventually eroding a section of the crest of dam above the pipe. | county park closed temporarily | 0 ft | 0 ac-ft | 0 acres | 0 | MO00000 | 38.8492 | 90.9522 | 0 | None | ||||||||||||||||||||||
ELEVA ROLLER MILL | WI | H | Non-failure | 09/08/2015 | Hydrologic/flooding | Overtopping | WI10532-2858 | Heavy rain overtopped the dam resulting in scour of the d/s embankment | Heavy rain overtopped much of the earthen embankments of this dam and a large scour area developed on the right embankment, downstream side resulting in a loss of cross-sectional area of the dam. | PGRE | RS | N | 14 ft | 40 ac-ft | 5 acres | 1877 | WI10532 | BIG CREEK | 44.5769 | -91.4683 | 0 | WIDNR | WI DNR | ||||||||||||||||
MARY A. BOHNKE | WY | L | Failure | 05/23/2015 | Hydrologic/flooding | Spillway Pipe Failure | Overtopping | Piping | WY00170-2859 | Heavy precipitation and an eroded CMP outlet caused piping overtopping | No | 0 | 0 | 0 | 0 | None | 106 ac-ft | Heavy precipitation (full reservoir) along with an eroded CMP outlet caused piping and eventual overtopping of the dam. | P | RE | I | NR | 40 ft | 106 ac-ft | 9 acres | 1954 | WY00170 | PARADISE CREEK | 42.0217 | -105.24 | 0 | SEO | Wyoming SEO | ||||||
LAKE ABANAKEE DAM | NY | L | Non-failure | 12/20/2016 | Hydrologic/flooding | Overtopping | NY00152-2860 | high flows resulted in overtopping of sheet pile cofferdam. Piling became unstable and tipped downstream | A rehabilitation project was in progress, and part of the construction area was protected by a sheet pile cofferdam. High flows, purportedly enhanced by increased releases from an upstream dam, associated with spring runoff caused the cofferdam to become unstable, tip downstream, and be overtopped. | L | R | N | 15 ft | 6110 ac-ft | 360 acres | 1950 | NY00152 | INDIAN RIVER | 43.7983 | -74.23 | 0 | NYS DEC | NY DEP | ||||||||||||||||
LAKE DELHI DAM | IA | S | Failure | 06/14/2015 | Unknown | Under Investigation | IA01297-2610 | Appeared to have been seepage between the concrete wall and the sheetpiling of the construction cofferdam | P | PG | R | NR | 55 ft | 9920 ac-ft | 440 acres | 1922 | IA01297 | MAQUOKETA RIVER | 42.4081 | -91.3454 | 0 | IOWA DNR | |||||||||||||||||
TRENTON LOWER LAKE DAM | MO | H | Non-failure | 07/22/2015 | Deterioration Or Poor Condition | Animal Activity | Excessive/increased Seepage | MO10366-2611 | Seepage due to animal burrows | No | 0 | 0 | 0 | 0 | In about 3 days the seepage had gone from no flow to 5 gpm to 20 gpm. A cut-off trench filled with clay/bentonite worked completely shutting off the seepage. | P | RE | R | NR | 20 ft | 1314 ac-ft | 105 acres | 1963 | MO10366 | TR MUDDY CREEK | 40.0798 | -93.5887 | 0 | NONE | No | MO DNR | ||||||||
BASTROP STATE PARK DAM | TX | Not Available | Failure | 05/23/2015 | Hydrologic/flooding | Overtopping | TX02717-2612 | Severe storms caused the dam to overtop and fail | 0 | 0 | 0 | 0 | rainfall event began around 4 pm on May 25, dropping about 4 to 5 inches of rain in Travis and Bastrop Counties in about 2 hours | S | RE | R | NR | 18 ft | 110 ac-ft | 0 acres | 1913 | TX02717 | TR-COPPERAS CREEK | 30.1124 | -97.277 | 1935 | TCEQ | Yes | GEER Report | ||||||||||
EAGLE CREEK RESERVOIR DAM | IN | H | Non-failure | 07/14/2015 | Hydrologic/flooding | High Reservoir Level | IN00084-2613 | Severe storms led to rising lake levels and gate opening | Yes | L | CN | C | Y | 92 ft | 110000 ac-ft | 1350 acres | 1967 | IN00084 | EAGLE CREEK | 39.825 | -86.3075 | 0 | IDNR | IN DNR | |||||||||||||||
FOREST LAKE DAM | IN | H | Non-failure | 07/14/2015 | Hydrologic/flooding | Spillway Deficiency | IN00747-2614 | Heavy rains over 24 hours caused damage to the principal spillway and the dam was in a slow state of progressive failure | One of the owners hired an engineer to begin directing emergency actions and a contractor was hired to begin lowering the emergency spillway about 3 feet so that no water could flow through the old damaged principal spillway | P | RE | N | 19 ft | 55 ac-ft | 5 acres | 1965 | IN00747 | UNNAMED TRIBUTARY WHITE LICK CREEK | 39.755 | -86.4083 | 0 | IDNR | No | IN DNR | |||||||||||||||
SCNONAME 02027 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00312-2615 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 17 ft | 308 ac-ft | 35 acres | 1955 | SC00312 | HOLLOW CREEK | 33.6467 | -81.2117 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 02019 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00305-2616 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 85 ac-ft | 12 acres | 1945 | SC00305 | GOODLAND CREEK | 33.595 | -81.2867 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
ABLE/COBETT POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00370-2617 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 10 ft | 58 ac-ft | 11 acres | 1955 | SC00370 | LITTLE HOLLOW CREEK | 33.6217 | -81.2333 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 14001 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00718-2618 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 15 ft | 263 ac-ft | 36 acres | 1900 | SC00718 | MILL BRANCH | 33.8133 | -80.09 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 16006 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00612-2620 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 20 ft | 357 ac-ft | 28 acres | 1957 | SC00612 | SEED BRANCH | 34.42 | -79.9417 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
COOK POND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01488-2621 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 13 ft | 53 ac-ft | 7 acres | 1963 | SC01488 | TR-KELLY CREEK | 34.1517 | -80.775 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
LEXINGTON MILL POND DAM | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00143-2622 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 440 ac-ft | 28 acres | 1900 | SC00143 | TWELVEMILE CREEK | 33.9767 | -81.23 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
GIBSON'S POND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00169-2623 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | L | RE | R | Y | 15 ft | 240 ac-ft | 28 acres | 1900 | SC00169 | TWELVE MILE CREEK | 33.9683 | -81.2433 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 32008 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00148-2624 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | L | RE | R | Y | 14 ft | 359 ac-ft | 64 acres | 1900 | SC00148 | TWELVE MILE CREEK | 33.9583 | -81.26 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
WALDEN PLACE POND | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00073-2636 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 25 ft | 280 ac-ft | 8 acres | 1950 | SC00073 | SPEARS CK | 34.1167 | -80.8467 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
PINEWOOD LAKE DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00055-2637 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 14 ft | 263 ac-ft | 35 acres | 1900 | SC00055 | MILL CK | 33.9433 | -80.91 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
COVINGTONS LAKE DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00079-2638 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 16 ft | 76 ac-ft | 10 acres | 1950 | SC00079 | ROBERTS BRANCH | 34.135 | -80.975 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
MURRAY POND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00051-2639 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 16 ft | 1310 ac-ft | 148 acres | 1930 | SC00051 | COLONELS CK | 33.985 | -80.7083 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
WILSON MILLPOND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00059-2640 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 14 ft | 134 ac-ft | 20 acres | 1960 | SC00059 | JUMPING RUN CK | 34 | -80.7417 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
WESTONS POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00056-2641 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 13 ft | 324 ac-ft | 40 acres | 1932 | SC00056 | TOMS CREEK | 33.8833 | -80.7683 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
DUFFIES POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00064-2642 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 720 ac-ft | 120 acres | 1967 | SC00064 | CEDAR CREEK | 33.8417 | -80.8517 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
ELLERBEES MILLPOND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01404-2643 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 7 ft | 151 ac-ft | 42 acres | 1830 | SC01404 | RAFTING CREEK | 34.0683 | -80.5317 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 31009 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00498-2644 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | I | Y | 15 ft | 312 ac-ft | 24 acres | 1930 | SC00498 | TURKEY CREEK | 0 | 0 | 1998 | SCDHEC | SC DHEC Website | ||||||||||||||||
FINCH'S MILLPOND | NC | S | Failure | 11/28/2015 | Deterioration Or Poor Condition | Erosion | NC00891-2645 | Erosion over the years led to collapse of a portion of the dam | Co. EMA said poor maintenance over the years led to erosion to the point where a portion of the dam collapsed. The County EMA Director indicated pond has drained into the creek below | P | RE | R | N | 15 ft | 469 ac-ft | 0 acres | 1924 | NC00891 | BLOOMERY SWAMP | 35.763 | -77.997 | 0 | NCDENR | Local News Source The Wilson Times | |||||||||||||||
SCNONAME 38070 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00447-2626 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 87 ac-ft | 12 acres | 1960 | SC00447 | SALEM CREEK | 33.6367 | -81.16 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 38066 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00444-2627 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 13 ft | 182 ac-ft | 25 acres | 1960 | SC00444 | TAMPA CREEK | 33.5333 | -81.2367 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 38036 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00419-2628 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 10 ft | 181 ac-ft | 32 acres | 1960 | SC00419 | BROWNING BRANCH | 33.5217 | -80.515 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 40005 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00050-2629 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 960 ac-ft | 68 acres | 1938 | SC00050 | JACKSON CREEK | 34.0483 | -80.9583 | 1988 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 40027 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00070-2630 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 297 ac-ft | 25 acres | 1955 | SC00070 | GILLS CK | 34.04 | -80.9517 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 40026 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00069-2631 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 230 ac-ft | 21 acres | 1900 | SC00069 | GILLS CREEK | 34.0367 | -80.955 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
WILDEWOOD POND #2 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00100-2632 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 24 ft | 281 ac-ft | 27 acres | 1963 | SC00100 | TR-JACKSON CK | 34.0967 | -80.8867 | 2010 | SCDHEC | SC DHEC Website | ||||||||||||||||
SCNONAME 40002 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00047-2633 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 10 ft | 260 ac-ft | 32 acres | 1900 | SC00047 | CRANE CREEK | 34.115 | -80.9833 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
ULMERS POND DAM | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00065-2634 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 17 ft | 96 ac-ft | 17 acres | 1940 | SC00065 | TR-MILL CK | 33.9683 | -80.8967 | 1994 | SCDHEC | SC DHEC Website | ||||||||||||||||
SUNVIEW LAKE DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00067-2635 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 11 ft | 234 ac-ft | 45 acres | 1949 | SC00067 | MILL CK | 33.9667 | -80.9117 | 0 | SCDHEC | SC DHEC Website | ||||||||||||||||
CRESCENT LAKE DAM | FL | L | Failure | 04/29/2014 | Hydrologic/flooding | Overtopping | FL00058-2650 | 20” or more of rain causing the Dam to overtop. An area approximately 200’ long on the west end of the Dam was totally breached causing most of the water to drain from the lake. | The breached Dam deposited sediment and debris into the adjacent wetlands to the south of the Dam. The water overtopped Michigan Avenue to the south of the Dam. | P | RE | RS | N | 16 ft | 396 ac-ft | 0 acres | 1960 | FL00058 | BAYOU MARCUS | 30.46 | -87.27 | 0 | FL DEP | ||||||||||||||||
LONG LAKE DAM | AK | L | Non-failure | 09/11/2015 | Hydrologic/flooding | Gate/valve Failure | AK00044-2651 | Heavy rain event (7.73 in 24 hrs & 2.8 in earlier in the week) resulted in a rainfall induced flood event during which a section of the wooden flashboards failed. | 0 | 0 | 0 | 0 | “The flashboards include a 20ft.x1ft. notch, near the south end of the dam, that will pass a nominal flow of 75 cfs. All additional flows will overtop the flashboards along the length of the dam. Based on the 1999 stability analysis, the flashboards are expected to fail at flood flows above 4500 cfs. This is a storm with a return interval of 10 years. The dam is located in a very remote area and there is no development downstream of the dam. | U | CNPG | H | NR | 30 ft | 147000 ac-ft | 1375 acres | 1973 | AK00044 | LONG RIVER | 58.1667 | -133.733 | 0 | AKDNR | Yes | AK DNR | ||||||||||
SHREVE LAKE DAM | OH | H | Non-failure | 09/01/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH00436-2652 | Sink hole discovered on downstream slope directly over the principal spillway pipe. Bad joint. Lake drained until repairs can be made. | No | 0 | 0 | 0 | 0 | S | RE | R | Y | 25 ft | 855 ac-ft | 59 acres | 1962 | OH00436 | TRIBUTARY TO SHREVE CREEK | 40.68 | -82.04 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | ||||||||||
FINDLAY UPGROUND RESERVOIR NO. 2 | OH | H | Non-failure | 07/01/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH00782-2653 | Wet area noted at the downstream toe. Leak in the resevoir fill line. | No | 0 | 0 | 0 | 0 | L | RE | S | Y | 32 ft | 19478 ac-ft | 624 acres | 1971 | OH00782 | BLANCHARD RIVER - OFFSTREAM | 41.01 | -83.57 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | |||||||||||
LAKE BRUNSWICK DAM | OH | H | Non-failure | 05/01/2014 | Hydrologic/flooding | Overtopping | OH00623-2654 | Overtopping event for an RCC covered dam. | No | 0 | 0 | 0 | 0 | L | RE | R | Y | 16 ft | 133 ac-ft |